I have read the Terms of Use, Privacy Policy, and Cookie Policy, and I hereby agree to those terms. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative. Then indicate the forging true to the x axis. These instructions are meant to give you some direction in completing your Optimus Defense 80% Lower Receiver. There should be a hole in the bottom of the receiver from the drilling done in Step 3. A drill press is stable: If you're not experienced with machining metal or working with power tools, a drill press is an easy machine to master. When it comes to aluminum AR-15 80% lowers in particular, there are commonly two choices - billet and forged. Make liberal use of your vacuum and apply cutting fluid or WD40. We specialize in stripped and 80% lower receivers for complete custom builds. start drilling, milling, or altering your 80% lower it becomes a firearm and all local, state , and federal firearms laws apply. Then indicate the forging true to the x axis. AR Lower Receiver Step-by-Step Chapter 2 9 Begin by clamping the forging to your milling machine table using the passenger side clamping pad. Just be sure to take your time, and always remember to measure twice and cut once. using an 80% lower receiver to build your new AR-15, you'll need to stick with using an 80% jig. It is the end user's responsibility to determine if finishing an 80% receiver is permitted by law in their state and/or municipality. Buy Now. Begin with the bit in one of the holes drilled in Step 3 prior to turning on the router. Follow the jig instructions to make sure you are using the correct size bit for each hole. This instructional guide's shows you how to complete an 80% lower using the Elite Builder 80% Jig and a basic drill press or mini-mill. To keep the lower receiver within tolerance, pay close attention to the tolerances as you machine. This instructional guide's shows you how to complete an 80% lower using the Elite Builder 80% Jig and a basic drill press or mini-mill. We have made that part of your personal rifle build project very easy with this high quality jig kit. Additionally, there may be state and local laws that can affect your ability to build your own firearm legally. © 2020 AR-15LowerReceivers.com, a division of Tactical Gear Heads, LLC. TIP #3: I have found that polymer lowers do not need a drill press to be completed with the Modulus Arms jig. By now you've caught on to the fact that using an 80% lower receiver to build your new AR-15 or other rifle or pistol is probably the best approach: You're skipping the background check and NICS fees, the transfer fees and special taxes, and you're avoiding the branded premium prices. I found a consumer-grade drill did not offer enough power to cut the holes I wanted. The upside is that the parts are inexpensive, so having a few extra on hand won’t hurt your wallet. Sometimes a hole hasn’t been properly drilled or is partially filled with bits of material, or the magazine well is a little too tight and needs sanding to allow magazines to drop free. Using the second Brownells tool, press the detent into the hole and rotate the tool so that the detent is captured in the hole on the lower and under the tool. ANDERSON MANUFACTURING 80% LOWER RECEIVER JIG -SUGGESTED METHOD- Step #2: Install Template 1 as shown in the picture on the previous page using provided screws. A router is an affordable alternative to a milling machine, but you'll need a drill press anyway. Then slide the pivot pin into the lower, being careful to align the trench on it with the detent. Then turn the jig over in the vise and drill the same holes on the opposite side of the receiver. AR-15 80 Percent Lower Receivers. Finishing an 80% AR15 lower is not hard at all. let's review all three. As the pivot pin slides into place, the detent will snap into position. A consumer-grade, table-top 10-inch drill press from your local home-improvement store will make short work of the drilling. Build both AR-10 & AR-15 80% lowers. All components are Mil Spec and made in .. SHOP JMT; JMT PRODUCTS. Using the drill press in tandem with a center-cut end mill bit (which is included with the 80% jig you'll purchase for your lower), you can complete the bulk of the fire control cavity using the provided drill bits and pilot hole template, followed by making vertical plunge cuts with the end mill to smooth out the floor of the receiver. TIP #2: When you’re working with a polymer lower, check to ensure that the detent hole is properly sized. RJ556U Universal Jig for Milspec 80% AR-15 Lower Receivers • RJ556U Instructions PDF: Click Here .308 WarrHogg Lower Receiver • WarrHogg instructions (PDF): Click Here . ANDERSON MANUFACTURING 80% LOWER RECEIVER JIG -SUGGESTED METHOD- Step #2: Install Template 1 as shown in the picture on the previous page using provided screws. This jig and these instructions work for any AR-15 (5.56, .223, 300 BLK) and AR9 (9mm) 80% lower. Then install the 115 bit on the Dremel and begin milling. Make sure you check with the appropriate government agency if you are unsure of the legality of building your own gun in your area. I bought a couple 80% lowers and jig from 80-lower.com and the blank lowers came with the rear shelf completed and the takedown pin-holes already drilled. Then install the 115 bit on the Dremel and begin milling. Modular Arms Modulus Arms has a list of inexpensive routers that work well with the jig. However, you do need a high-torque drill. Drill out the safety selector hole and fire control pin holes. Ghost Gunner is a general purpose CNC mill that gives you the ability to finish a growing library of mil-spec 80 percent lowers to completion. Complete the necessary pilot holes and complete the rest of the cavity with the end mill bit. The CNC jig takes all the guesswork out of finishing this project. These instructions are meant to give you some direction in completing your Optimus Defense 80% Lower Receiver. However, a prosumer 19.4-volt cordless had more than enough juice to get the job done. AR-15 80% Lower. Both should be made to similar tolerances and should be compatible with any of the mil-spec parts on the market. 80% AR-15 Jigs; 80% 1911 Jigs; 80% 308 Jigs; 80% TM-22 Jigs; AR-15. Be the first to know about our product launches and deals! But I will soon give the lower a black anodize finish. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, New Jersey, New York, Pennsylvania, and Washington). Even though the jig is intended to be used with handheld tools, I recommend using a drill press for the holes on an aluminum lower. The upside to polymer lowers is that they tend to be easier to machine. These lowers must be transferred through a firearms dealer like any other gun. E P ARMORY ATF GRAB BAG LARGE (2) Your Price: $75.00 In Stock. Mill The Fire Control Pocket. Continue this process until the entire pocket has been milled out. But in this article I want to show you how to machine your own lower, bypassing the need for transfer fees and increasing the amount of craftsmanship you can apply to your build. An aluminum lower also requires more force behind the drill, which means it’s easier to break a bit. Flip the milling template around per the Modulus Arms instructions. A drill press provides a stable, fixed machining platform for completing your 80% lower receiver. Rather than using a fixed platform and moving the jig and receiver to cut the main cavity, the router requires the jig and lower to be secured in a vise, while the router moves laterally, cutting the cavity. To use the Modulus Arms jig, you must first install a pivot pin in the 80-percent lower. Sorry, your blog cannot share posts by email. Meanwhile, an 80% lower is technically not a firearm until you finish machining it, so you can get them delivered straight to your house without paying FFL fees. Enjoy FAST SHIPPING and SAVE at 80-lower.com today! Carbon 50 AR-15 80% Lower; AR-15 80% Polymer Lower; Carbon 50 .308 80% Lower Use masking tape on the top plate of the jig, then secure the jig in the vise using that top plate. Skip to content. Specifications: Hole Sizes: Selector Pin Hole: 3/8” (0.375”) Mar 8, 2017, Stay in the know with the Personal Defense World newsletter. AR 15 Lower; AR 15 Handguards; AR 15 Uppers; AR 15 Lower Parts; Bolt Carrier Groups; AR-10. Notice the solid area where the trigger would go, making it a paperweight, not a firearm. Remove the jig from the vise. A stripped lower has had all of the machining work done and carries a serial number. We're covering the four ways you can cut and drill your receiver to make your homemade AR-15 stripped lower: Unless you have access to a commercial-grade CNC machine with precise CAD drawings and measurements of an AR-15 receiver, you'll need to stick with using an 80% jig. I purchased my eparmory 80% lower … When drilling, you want to keep a small brush and shop vacuum handy to clean up the debris. Chapter 2 The First Setup With forgings (as well as castings and weldments) that require final precision machining, the big problem is where to start. A mini-mill, like the Sieg X2 shown above, is unarguably the best way to complete an 80% lower receiver: It combines the stability and control of a drill press -- in truth, much more control -- with more cutting power than a handheld router. AR Lower Receiver Step-by-Step Chapter 2 9 Begin by clamping the forging to your milling machine table using the passenger side clamping pad. Once the jig is assembled, apply several strips of masking tape to the side pieces. An 80% Lower Receiver is, for the purposes of this post, an otherwise complete AR-15 or AR-308 lower receiver which still requires some machining for it to have the potential of being operational. These will come into contact with the vise, and the masking tape will help protect the appearance of the jig. PF940V1.5 80% Pistol Frame • PF940V1.5 80% Polymer Pistol Frame Instructions (PDF): Click Here . Do not drill all the way through the receiver—only drill the top half of the receiver. How to machine a hunk of steel or polymer into a working AR-15 lower receiver. Ultimate Jig. AR15 80% Lowers; 1911 80% Frame; 308 80% Lower; 80% TM-22 Receivers; 80% Build Kits; 80% Jigs. Follow those instructions to assemble the jig around the lower. Quicker than a drill press: Using a drill press will take approximately 1 to 2 hours' time to complete your receiver, while a router can get the job done in approximately 30 minutes to 1 hour. 308 PARTS. That is, making side-to-side cutting passes to shave down the aluminum in the receiver, which is quicker than performing the bulk of the work using drill bits and plunge cuts. 80 Percent Arms Easy Jig Gen-2 Compatible Premium Upgrade AR-15 Lower Jig "TiN" Drill Bit Kit $ 25.99 CNC Tooling Kit for Milling the Firing Pocket of a AR15-AR10 .308 Lower Receiver At this point, you will remove the drilling template from the top of the … To complete the lower you will be drilling three holes and machining two pockets. I have found that the Rigid works well on both polymer and aluminum lowers. Posted by AR-15LowerReceivers.com on Jul 7th 2020. 80% Lower Receivers, AR15 80 percent lower Jig, AR 15 complete uppers, Rifle and Pistol Kits. It's stable and easy to control, allowing you to work slowly as you build confidence. The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. This could be considered a redundant method of machining, since you can complete the entire receiver with only a drill press. 80% MILLING JIG FOR AR-15/9MM DISCLAIMER: These instructions are intended for use by someone who has knowledge of machining and machine tooling necessary to complete an 80% receiver. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative. A decent press can be had under $250 that provides plenty of torque and precision for basic work like this. Some of the holes are of different sizes and depths. I failed to check frequently on a prior build and unintentionally drilled through the bottom of the receiver. For step-by-step video instructions on finishing your AR-10 or AR-15 80% Lower with our Jig Kit, go here. To use them, select the correct drill bit size, place the bit into the template and then tighten the drill stop to achieve the correct drilling depth. TIP #4: I recommend using the Modulus Arms Speed Drill Kit. Chapter 2 The First Setup With forgings (as well as castings and weldments) that require final precision machining, the big problem is where to start. This is provides similar results to a milling machine, albeit with less precision and stability. But I will soon give the lower a black anodize finish. Modulus Arms has an excellent instructional manual on how to assemble the jig. We offer May be redundant: Even though you'll use a router to cut your receiver, you still need a drill press to properly drill the pin holes into the walls of the receiver for your parts kit. A mill is the most effective and fastest: It provides the highest level of cutting precision and power required for machining a firearm receiver like the AR-15's lower. This is where the router comes into play. Technically. Jigs are typically categorized by the tools you have at your disposal to complete your lower: A drill press or mill, or handheld router. If you are finishing an aluminum lower, I’ve found that a handheld drill takes much longer than it does with a polymer lower. (Only one template bolts to the top at a time.) At this point, you will remove the drilling template from the top of the jig and replace it with a milling template. • Drill two 5/16” thru holes (one on … Enjoy FAST SHIPPING and SAVE at 80-lower.com today! While the term “80-percent lower” has no legal definition, it is a term frequently used in the industry to refer to a piece of aluminum or polymer that has not been machined enough to become a firearm. 80 LOWER MACHINING MANUALS JMT AR-15 Polymer 80 Machining Instructions. Carbon 50 AR-15 80% Lower; AR-15 80% Polymer Lower; Carbon 50 .308 80% Lower A milling machine is the most effective and precise method for both cutting and drilling. Just like a hot-rodder can drop a complete crate motor into a car body or instead build their own from the block up, so can a shooter build an AR-platform rifle from number of starting points. Using a mill, one can complete a receiver in 15 minutes. While there are no federal prohibitions against making your own firearm for your personal use, there are laws regarding the transfer of a personally made gun to others. The jig should now be on its side. Just be sure to take your time, and always remember to measure twice and cut once. We have made that part of your personal rifle build project very easy with this high quality jig kit. It is the end user's responsibility to determine if finishing an 80% receiver is … (Only one template bolts to the top at a time.) E P ARMORY ATF GRAB BAG SMALL (2) Your Price: $25.00 In Stock. Slide the spring through the tool and then place the detent on top of it. Completing an AR build is a popular hobby in the shooting world. At this point, the hunk of polymer or aluminum has become a legal firearm. Treat it as such, as you are now responsible for it just as if you purchased a complete rifle at your local gun shop. This will allow you to mill the rear shelf. It's the most accurate: The mill's adjustment knobs for vertical and lateral movements are often as precise as 0.0001", allowing for incredibly clean cuts without damaging your 80% jig or wearing our your bits. 80% Lowers is a premier retailer and YOUR source for 80 percent lowers, 80% lower jigs, build kits and more. Beyond a certain point there is patches of ribbing that are the same color as the lower. Many people choose a stripped lower that they can add parts to and get on the range quickly. Apex has unveiled new trigger kits for the S&W M&P M2.0 which come with... by Personal Defense World / It is your responsibility to check the legality of finishing an 80% lower in your area. All you need is a drill press or a mill. AR10/AR15 Lowers; AR10/AR15 Uppers; Juggernaut Tactical Latest News. Read our intro guide first. To complete the lower you will be drilling multiple holes and routing two pockets. It is important to check the drill stop after each hole to ensure you still have the correct depth. AR15 PARTS. 80 LOWER MACHINING MANUALS JMT AR-15 Polymer 80 Machining Instructions. We are a national retailer of individual components and not all products depicted on this website are legal in every state. The Brownells Pivot Pin Tool Kit makes this step very easy. The kit comes WITHOUT 80% lower receiver. 80% Lowers is a premier retailer and YOUR source for 80 percent lowers, 80% lower jigs, build kits and more. You can also use an old T-shirt to further protect the jig from the vise. The directions said if the lower came with the rear shelf already milled out there is no more work to be done there. If you are machining an aluminum lower, you also want to use a cutting fluid or WD40 to keep things lubricated. We offer Using the depth template and end mill bit, set the proper depth and begin milling out the fire control pocket. AR-10 .308 10" High Power Tactical Pistol Kit - DPMS Compatible. AR15 80% Lowers; 308 80% Lowers; Tooling; Cool Shit; Replacements; Instructions; 80% Lower Receivers for AR-15 & AR 308 Rifles admin 2017-10-17T23:47:59-07:00. If there is resistance, open the hole using by lightly twisting the drill bit by hand. E P ARMORY ALUMINUM JIG FOR AR15 80 LOWER (9) Your Price: $89.99 In Stock. Unlike most metal machining operations, cutting and drilling an 80% lower receiver doesn't require much experience or knowledge of tooling. Obscures the work area. Provides clean cuts: Although not as precise as a mill or drill press, the router, when used in tandem with the appropriate jig, provides clean cuts and a smooth finish with relative ease. Much like a gearhead hot-rodding a ’33 Ford Coupe, nothing beats crafting your own rifle if you are a shooter. To complete the lower you will be drilling three holes and machining two pockets. 6. With simple tools and point and click software, the machine automatically finds and aligns to your 80% lower to get to work. We are a national retailer of individual components and not all products depicted on this website are legal in every state. Take a moment and admire your work. milling a 80% lower with fairly common tools, first vid of two parts showing the build of a AR15. To do this, you need a pivot pin, a pivot pin detent and a pivot pin detent spring. Post was not sent - check your email addresses! Very light milling passes can be made with the appropriate chuck on your press in order to smooth out the aluminum face on the interior walls of the receiver, too. quality AR15 lower products. That means the magazine well and various detent holes have been properly machined, and the finish is uniform. It's affordable, too: Compared to a router or mill, a drill press is an affordable and versatile machine. If you were using WD40 or a cutting fluid, the lower is probably a bit oily, so wipe it down with a bit of degreaser or other cleaner before continuing. Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Pinterest (Opens in new window), Click to email this to a friend (Opens in new window), Get Ready for Second Round of CMP 1911 Pistol Sales in Early 2021, SAR 2000: All-Steel, Hammer-Fired 9mm Built for Duty, Defense, PepperBall Personal Defense Compact Launcher Now Includes Refill Kit, Meopta MeoStar B1 Plus: Upgraded Series Launches With 6 Models, Galco Combat Master Now Fits the Kimber K6S 2″ Revolver, Steiner TOR Pistol Lights, Lasers Deliver Extremely Small Footprint, REPORT: Congresswoman Lauren Boebert Expected to Carry at Capitol, PepperBall Mobile Launcher Provides Hand-Held Self-Defense Package, WATCH: Citizen Uses Martial Arts to Stop Kidnapping Attempt in NYC, X3 Tactix MPRD: Riton’s Micro Pistol Red Dot Stands Out in Growing Field, WATCH: Master the Pistol Draw Stroke With Team SIG Sauer’s Max Michel, 8 AR-15 Rifles Available For Under $1,000, Apex Releases New Duty/Carry Trigger Kits for the S&W M&P M2.0. TOOLING. Check it well for any bits of debris and brush them out if you find any. 80% AR-15 jigs help the home builder or DIY type complete their 80% AR15 receiver 80% AR-15 Jigs | Tactical Machining JavaScript seems to be disabled in your browser. All of the parts and tools needed for the jig assembly are included with the jig. For written instructions, go here. These instructions are meant to give you some direction in completing your Optimus Defense 80% Lower Receiver. Ghost Gunner is a general purpose CNC mill that gives you the ability to finish a growing library of mil-spec 80 percent lowers to completion. The CNC jig takes all the guesswork out of finishing this project. To control the depth of the holes, Modulus Arms includes a drill stop and a template. Using the drill press in tandem with a center-cut end mill bit (which is included with the 80% jig you'll purchase for your lower), you can complete the bulk of the fire control cavity using the provided drill bits and pilot hole template, followed by making vertical plunge cuts with the end mill … We have the product line, capabilities, and expertise to assist you in finishing flawless 80 percent lowers. Less expensive than a mill: A router is more affordable than a fixed milling machine, with costs comparable to that of a drill press. The New Frontier Armory Complete 80% Jig Kit is all you need to complete the final machining process to turn your 80% AR-15 Receiver into a working stripped lower receiver. In general, I’ve found that forged aluminum lowers tend to be sized correctly. As you probably noticed several of the holes in the AR15 lower receiver are not critical at all. Thread the large Brownells tool from the kit through the pivot pin holes and align the small hole in the tool with the hole for the detent and spring. A mill is the most expensive choice: The most affordable mini-mill, like the Sieg X2, will cost between $550 and $750, with more expensive units approaching $1,000 to $1,500. May be less safe: Since the router is handheld, it is up to you, the builder, to ensure the tooling remains stable and doesn't cause damage to the router, bits, or worse, yourself. This is the AR15 / M16 Size. To subscribe, visit outdoorgroupstore.com. Since an 80-percent lower is not a firearm, it can be ordered and delivered through the mail like any other non-firearm part. Beyond a certain point there is patches of ribbing that are the same color as the lower. Now you’ll want to make sure you clean the lower well. EXCLUSIVE: Is the ATF Really Coming After the AR Pistol Brace? 80 percent lower receiver No FFL required and All machine work that has been done is within Mil-Spec specifications. TIP #1: Order a few extra pivot pin detents from Brownells. In my experience with several brands of 80-percent polymer lowers, there is not the same piece-to-piece consistency. With simple tools and point and click software, the machine automatically finds and aligns to your 80% lower to get to work. Legally built 80% AR-15 firearms. modulusarms.com; 607-288-2715, For more from author Richard Johnson, visit  http://www.gunsholstersandgear.com. This jig and these instructions work for any AR-15 (5.56, .223, 300 BLK) and AR9 (9mm) 80% lower. 80% MILLING JIG FOR AR-15/9MM DISCLAIMER: These instructions are intended for use by someone who has knowledge of machining and machine tooling necessary to complete an 80% receiver. If you are tight on space and owning a drill press is not in your future, a polymer lower might be the better option. This is not a second just not completed to be called a lower receiver, or considered a firearm. M1 Machining is the industry standard in high quality AR10 & AR15 lower receivers. The sleeve drops into the jig holes, allowing you to perfectly align a pilot hole in each spot. All Rights Reserved. A drill press is the most affordable method for completing an 80% lower. Now that you have made the wise decision to purchase the new Juggernaut Tactical AR-15 80% Lower Receiver, you will need to finish the machining procedure. Finishing an 80% AR15 lower is not hard at all. Place the jig assembly on its side (Side Plate screw heads UP), and use the 3/8″ Drill Bit to drill the … All options and modifications to your kit are available on top of this page. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, New Jersey, New York, Rhode Island, and Washington). This article was originally published in ‘Gun Buyer’s Annual’ 2017. Once you’re done inspecting your work, it is time to make it into a functioning firearm by adding a lower parts kit, a stock and an upper receiver. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. However, I’ve found that reality doesn’t always align with theory when it comes to 80-percent lowers. No prior CNC knowledge or experience is required to manufacture from design files. There is an additional screw that you will now insert to increase the support of the two jig legs. An 80-percent lower receiver is a hunk of metal or plastic that has a similar shape to a serialized AR lower, but it still needs to be machined prior to it becoming an actual firearm. Please consider supporting me on my Patreon page. The kit includes:-Instructions to complete using a drill press-Instructions to complete using a milling machine-Left and Right side fixture plates / vice jaws Mill the shelf in the same manner you milled the fire control pocket. They are small and can easily get away from you. This kit contains all components to complete your AR-10 project. A milling machine is the most effective and precise method for both cutting and drilling. SHOP JMT; JMT PRODUCTS. But how do you actually complete your 80% lower? To keep the lower receiver within tolerance, take your time and pay close attention to … E P ARMORY ATF GRAB BAG MEDIUM (1) Your Price: $50.00 In Stock ready to Ship . As Ben Franklin admonished: Measure twice, cut once. I’ve found that WD40 works fine. The drill stop may loosen, which could cause you to drill too deeply. - CNC Gunsmithing Drill Jig and Milling Adapter Kit - 80% AR15 Lower Receiver from Kevin (with solid fire control pocket) - 12” Craftsman Drill Press - 5 speeds (540-3600 RPM) - Drills & Taps: - (C) 1/8 Drill - … It’s a paperweight that looks a whole lot like a functional receiver. With precise depth and lateral adjustments, the mini-mill can effectively cut the fire control cavity in your lower in short order, providing clean results with only a single pilot hole drilled as a starting position.

Suriname Currency To Naira, What Is A Governing Body Of An Organization, How To Care For Seedlings, Best Yarn Brands Uk, Common Brushtail Possum, Rico Yarn Patterns, Business Analytics Project Example, Jello Fruit Salad With Cool Whip And Cream Cheese, Num Lock Not Working, Maranta Leuconeura Variegated, Belle River Hump Lake St Clair Map, Epiphone Masterbilt Australia, Edx Analysis Principle Pdf,