It is the end user's responsibility to determine if finishing an 80% receiver is permitted by law in their state and/or municipality. Set your down steps to about 1/8″ and when you press the End Mill down (plunge) into the 80% Lower material, GO SLOW. If you find burs or rough patches, polish and lightly mill them. You’re done! Tags: 80% Lower Receiver Guide, 80% Lower Receiver Instructions, Build An AR Rifle, Rifle Kit, Privacy Policy Now, install the long 5/16” end mill bit and bolt the last template plate, marked “5/16” EM Thru Bottom,” to the jig. Some leave it bare, however. STEP 4 – Next, use the 5/32″ Drill Bit to drill both the Hammer Pin Hole and Trigger Hole. But for completing an 80 percent lower AR build, you’ll need a few pieces of machinery on hand. The 1911 is an old school hand fit firearm and it shows when you're doing an 80 1911 frame. We stand behind all our products and we’re here to support you. WarrHogg 308 AR 80% Lower Receiver Instructions Author: Loran Kelley, Polymer80 Co-Founder Warrhogg 308 AR ... milling process. A heavy duty drill press may be sufficient, but NOT recommended, as the spindle may not be able to hold tolerances. Or use the Drill Jig to drill each 1/8″ Hole to a little higher than finished depth for the FCG main pocket at 1.250″. The jig package included a 3/8” drill bit, which you’ll now want to install on your drill press or milling machine. Then slowly trace around the outside perimeter of the smaller slot in the Milling Top Plate MAKING SURE that you have some “shank” (non-cutting surface)of the End Mill ALWAYS running against the slot walls – Remove the Milling Top Plate. Instructions; 80% Lower Receivers for AR-15 & AR 308 Rifles admin 2017-10-17T23:47:59-07:00. With our 80% lower jig, comprehensive instructions and how-to videos, you control production quality by performing the work firsthand. STEP 1 – First align either Side Plate to your 80% Lower and insert (2) 1-3/4″ long allen head screws through to fasten all three pieces together – DO NOT tighten yet. With the jig secure, it’s time to install the template plate holder. The first template is typically marked with “3/8 DR 2.00 Deep From This Face.” Next, tighten the jig and lower it into your vise for further machining. By now, you have the rear shelf, and most of the primary receiver cavity machined. To use the Modulus Arms jig, you must first install a pivot pin in the 80-percent lower. 308 PARTS. Set the depth to stop precisely 2.000” deep from the face of the template using a stop collar and calipers. If you are using a drill press for this step, which is designed to cut vertically solely, consider plunge-cutting, as the included end mill bits are center-cut and, thereby, designed for vertical and lateral cuts. You’ll cut through the floor of the 80% lower to create a slot for the trigger once done. You’ll want to drill precisely 2.000” deep from the top. STEP 6 – Continuing with the jig assembly standing upright, start drilling with the 1/8″ Drill Bit at every hole shown above as Orange. In doing so, you’ll avoid excess chatter. AR15 PARTS. SHOP 80% LOWER RECIEVERS. You’ll use the end mill bit similar to a drill bit, plunging downward until you reach the 1.375” depth mark. Skeletonized AR-10 .308 80% Lower with Jig Kit, Skeletonized DPMS LR 308 80 Percent Lower with Jig Kit, Skeletonized Billet AR-15 80% Lower with Jig Kit, Raw SR25 AR-10 .308 80% Lower with Jig Kit, Cerakote LR-308 DPMS .308 80% Lower Receiver, AR-15 Rifle Kit 5.56 M4 16" / Chrome-Lined, Skeletonized Raw DPMS LR-308 80% Lower Receiver, Cerakote SR25 AR-10A .308 80% Lower Receiver, Blemished AR-15 80 Percent Lower Receiver, Black Anodized DPMS LR-308 80% Lower Receiver. This document is intended to give a basic direction or guidance when completing or finishing a UFS 80% Lower Receiver. You want the right side faced. Compare. – We’re pretty sure that everybody knows this already but we have to make the statement that if you choose to finish your 80% Lower into a functioning Rifle part, but FIRST check with your state and local laws to make sure that it is legal to do so. Probably the most difficult of the 80% lowers to convert to a working firearm is the 1911. Shipping and Returns, All Shipping Currently At 4-6 Weeks. 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. Left and Right side fixture plat that once you Keep in mind start drilling, milling, or altering your 80% lower it becomes a … One of the most modified parts is the lower receiver and there is a whole sub-market of 80% lower … Each instruction spelled out below corresponds to the image just above it. We recommend to drill each side separately by flipping the Drill Jig assembly over to the opposite side. Dismiss. The goal of finishing the lower receiver is to mill out the following with the assistance of the … For step three, you’ll now install the pilot hole drilling template using the two included countersunk hex-head bolts in the jig package. Using the 5/32” drill bit, finish the hammer pin hole, trigger, and disconnector pinhole. Of course IT IS from a Federal Law standpoint as well as our 2A but the local governments can also be a serious road block to happiness. Hendricks Proudly Made in the United States of America, ​How to Build An 80% Lower: Beginners Guide. Home Defense: AR-15 vs. While optional, it’s recommended you keep the following nearby: Furthermore, you’ll need a few end mill bits and drill bits but, depending on the jig you purchase, they are occasionally included in the packaging. STEP 10 – Attach the Drilling Top Plate (as shown above) squaring and leveling once again to continue with the jig assembly standing upright. STEP 8 – Attach the Milling Top Plate (as shown above) and continue with the jig assembly standing upright. 80% AR15/AR10/.308 Lower Receiver Jig Specific Instructions, Video's, Blueprints, Schematics and How to Information. Terms and Conditions 80% 1911 Frames . The goal of finishing the lower receiver is to mill out the following with the assistance of the jig: a. Sitemap We've made things easier than ever with the release of our Easy Jig® Gen 3! Throughout this process, apply copious amounts of machining oil to the end mill bit and the template plate. This step does not require precise measurements. Remember: To avoid misalignment, do not over-tighten the vise. Apply WD-40 when necessary. (Only one template bolts to the top at a time.) With the tools you need on-hand, it’s time to tackle your first 80% lower build. Since (4) of the 1/8 diameter holes fall on the edge of this 0.250 hole, I drilled the (4) 1/8 holes at … Therefore, be sure to set your drill or mill depth appropriately. When using the Modulus jig, you must install a pivot pin in the 80-percent lower. Using the left jig plate, secure the opposite side and stand the lower up vertically. Progress Check – when you remove the Milling Top Plate, your 80% Lower should look like the image above. Now, install the long 3/8” end mill bit and bolt the second milling template to the jig. Burnt Bronze Cerakote AR-15 Upper and 80% Lower Receiver Set Burnt Bronze Cerakote AR-15 Upper and 80% Lower Receiver Set $ 219.99 $ 169.99 $ 219.99 $ 169.99 Read more. To complete the lower you will be drilling three holes and machining two pockets. Progress Check – when you are done drilling the correct number of 3/8″ holes, your 80% Lower should look like the image above. Quick View; AR-15 80% Lowers, AR-15 Uppers. Also, don't forget, we offer the Foolproof Guarantee! 80% 1911 CLASSIC JIG INSTRUCTIONS DISCLAIMER: These instructions are intended for use by an individual ... milling machine. Everything You Need To Build An 80% Lower Receiver . Use the 1/4″ End Mill at a mid-range RPM and then slowly trace around the outside perimeter of the small slot in the Drilling Top Plate – Remove the Drilling Top Plate. Besides the following list of Drills and Mills which is available as our standard Tool Kit, you would be best served to use a free-standing Drill Press to complete your Lower. Our live inventory system means if you can add it to your cart, it's yours! quality AR15 lower products. 80% 1911 CLASSIC JIG INSTRUCTIONS . You’ll wish to let the shaft of the bit ride the interior shape of the plate to ensure an appropriate cut. You can easily modify a standard AR15 80% jig to machine out your AR9 or AR45 80% lower. Now, replace the original 3/8” drill bit with the short 3/8” end mill bit. 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. Instructions to complete using a milling machine. Not because of any ridiculous milling requirements but primarily because all of the rest of the fitment after you've completed the frame. Once the trigger slot is cut, the receiver’s fire control cavity is finished. 80% Lower Receivers, AR15 80 percent lower Jig, AR 15 complete uppers, Rifle and Pistol Kits. Free shipping available with select purchases. When you press the End Mill down (plunge) into the 80% Lower material, GO SLOW. Of course IT IS from a Federal Law standpoint as well as our 2A but the local governments can also be a serious road block to happiness. But how do you build an 80% lower? To keep the lower receiver within tolerance, pay close attention to the tolerances as you machine. You may remove both the jig and the lower from your vise and position the entire assembly horizontally for further drilling. Check out the easy instructions on how to finish an 80% lower receiver. Use the 1/4″ End Mill and SLOWLY press (plunge) the end mill thru the bottom of the FCG pocket. No Problem. The final step, now with the receiver and jig horizontally placed, is to drill the hammer, trigger, and safety pinholes. Using a milling machine is preferred, but a hand grinder or Dremel tool will also work. Use the 1/4″ End Mill at a mid-range RPM and do your incremental down steps at about 1/8″. • Drill two 5/16” thru holes (one on … The first step in completing your new AR build is to secure the lower in the right side jig plate. TOOLING. There is only about 0.070″ of material to cut so you can just mill all the way through to the Trigger Guard area. 5 Ways of Completing an 80% Lower Receiver While the average AR-15 builder may not have access to all the tools mentioned here, he or she should have access to at least one or more. Now, drill down 2.000” deep into the receiver from the face of the top template plate. Manufacturing 80% Lowers Since 2009 Shotgun vs. 80 LOWER MACHINING MANUALS JMT AR-15 Polymer 80 Machining Instructions. Handgun, Breaking News: 80% Lowers Under Intense Fire, Company Statement: ATF Raid on Competitor Polymer80. Arms and other 80% lowers using only a drill press and a few common tools. 80% Lower Receivers for AR-15 & AR 308. Add to wishlist. Instructions to complete using a drill press. Sale! 80 Percent Lower Receiver Blog, Instructions And Guides For Lowers. You may now remove the short end bit and first milling template. Be first to know about promotions and new product launches. Take your time, follow the instructions, and you're guaranteed a great result. Always remember to wear proper PPE When milling around plate, shaft of end mill is able to hit side, ... AR-10 Gen 1 DPMS Anodized Billet 80% Lower Receiver. The Brownells Pivot Pin Tool Kit makes this step very easy. It’s a question that all newcomers ask when they attempt their first rifle build. For the best cut, use shallow, precise movements to remove excess aluminum from the receiver. Completion – when you are done remove the Slotting Top Plate and your 80% Lower should look like the image above which is a 100% complete and ready to use Lower Receiver. Proudly Made in the United States of AmericaProudly Made in the United States of America, Monday-Thursday 12pm to 4pm PST Closed Friday, Saturday, & Sunday. Here’s where you’ll use it. NOTE – You can drill the Selector Hole through, or just start the hole in the side of the Lower and go back later to finish. 0 Rated 5.00 out of 5 $ 105.00 – $ 110.50; Top rated products. You can either “start” each hole, and then to drill to depth after removing the Top Plate. According to the Second Amendment, all U.S. citizens hold the right to bear arms. Once the trigger slot is cut, the receiver’s fire control cavity is finished. You’re able to purchase an unfinished lower and complete the build yourself, thereby saving you time and money while avoiding legal hassle. But how do you actually complete your 80% lower? Using the 3/8” drill bit, complete the safety lever pinhole. For most jobs, your hands are the best tools you have. But since the founding of the Constitution, we’ve witnessed countless caveats come into play, along with immense difficulty in purchasing or selling firearms throughout the country. An 80% lower is a receiver blank that is machined as far as you can without legally becoming a frame or receiver and would then require to be transferred to an FFL. STEP 3 – Place the jig assembly on its side (Side Plate screw heads UP), and use the 3/8″ Drill Bit to drill the Selector Switch hole. You will seat the holder on top of the jig where the rounded edge rests along the buffer tube housing. You may wish to use a stop collar and calipers to verify the depth, as it must be exact. Use the 1/4″ End Mill at a mid-range RPM and then slowly trace around the outside perimeter of the small slot in the Drilling Top Plate – Remove the Drilling Top Plate. For greater accuracy, we recommend installing the drill stop collar along the shaft of the bit and use the digital calipers to verify the depth at 1.375” precisely from the template plate. We’re ghost gun owners who love our weapons and after milling and owning just about every 80% AR-15 lower on the market, we decided there had to be a better way. On Kevin's 80% lowers he adds a 0.250 diameter locating hole to help him during his production runs. This jig and these instructions work for any AR-15 (5.56, .223, 300 BLK) and AR9 (9mm) 80% lower. Carbon 50 AR-15 80% Lower; AR-15 80% Polymer Lower; Carbon 50 .308 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. With the central portion of the receiver cut to final depth ranges, both the 3/8” end mill bit and second milling template may be removed. You’ll want your finished depth of the FCG pocket to be 1.250″. Legally built 80% AR-15 firearms. Tighten all fasteners starting with Side Plate screws. Remember: Do not remove the template holder from the top of the jig. More recent than the concept of 80% lower receivers themselves, is the concept of being able to finish machine the lower receiver using only a handheld drill and compact router. We mentioned you might want machining oil nearby for lubrication. 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. Don't overthink it, we've made it very easy. ATF Firearm Laws and Information. Zombie Green Cerakote AR-15 Upper and 80% Lower Receiver Set LEGAL – We’re pretty sure that everybody knows this already but we have to make the statement that if you choose to finish your 80% Lower into a functioning Rifle part, but FIRST check with your state and local laws to make sure that it is legal to do so. STEP 2 – Then attach the Drilling Top Plate and use (2) short 10-24 allen head screws to … If you happen to mess up one of our lowers with one of our jigs, we'll replace it at a 50% discount. A lower parts kit will not even fit in an 80% Lower until it has been machined into a complete firearm. What follows is the detailed process (one of many available) to finish your AR15 or AR10 80% Lower Receiver into a ready to use part. Make sure to periodically pull the drill out of the guide hole to clear any chips. PF940V2™ Pistol Frames, 80% Instructions Table of Contents ... Barrel Block Milling Procedure ... PF940V2 Pistol Frame Lower PF80-PF940V2 1 Red Jig for the PF940V2 P80-PG940V2-JIG 1 Locking Block Rail System Pin, 3mm diameterx25mm long MSC-PFP-PIN-3MM 1 Find the highest quality 80 percent lower receivers, receiver jigs & receiver build kits for your AR-15 at the most competitive prices right here at RightToBear.com. Once again, you can either drill through or just “start” those holes, and drill from both sides later. In this post, we’re going to talk about routers. Then slowly trace around the outside perimeter of the smaller slot in the Milling Top Plate MAKING SURE that you have some “shank” (non-cutting surface) of the End Mill ALWAYS running against the slot walls. Use the 3/8″ End Mill at a mid-range RPM and start milling the small section between the FCG main pocket and upper Lug pocket going to a total depth of 0.630″. Your 80% lower is now ready for assembly. AR-15 Jig Kit Milling Directions | … 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. Begin drilling while making sure that the drill bit is kept straight and perpendicular to the receiver. Lubricate the template plate guides and receiver using your machining oil to protect your drill bits. STEP 7 – Continuing with the jig assembly standing upright and the Drilling Top Plate removed. Apply light pressure with the clamp to ensure the jig does not move during the process. Stealth Arms' AR-15 Jig is designed to aid in finishing your AR-15 and 1911 80 Percent Lower Receiver. In step seven, we’ll return the mill receiver to a 2.000” depth. Replace the plate with the included milling template, marked “3/8 EM 1.375 Deep From This Face.”. Align both the jig and the lower with the tooling, then drill through the pilot hole guide on the top template plate. Please read all of the directions from start to finish before starting any work on your lower. SHOP JMT; JMT PRODUCTS. STEP 1 – First align either Side Plate to your 80% Lower and insert (2) 1-3/4″ long allen head screws through to fasten all three pieces together – DO NOT tighten yet. In addition to cutting costs, our 80% lower jig puts you in control of the work, letting you ensure the job is done perfectly to finish the receiver for your next build. STEP 9 (Optional) – Reattach the Milling Top Plate (as shown above) and continue with the jig assembly standing upright. Get assembly instructions here. Bolt the plate holder to the jig side plates using the two biggest hex-head bolts included with the setup. You can either “start” each hole, and then drill to depth after removing the Top Plate. These various ways of completing an 80% lower receiver will help you understand what you need or can use to complete your 80% lower. Aluminum lowers are very hard and require more tools and supplies to properly complete. Use the Drill Press to drill each 3/8″ Hole to a little above finished depth for the FCG main pocket at 1.250″. Check out the product page for videos of how simple it really is, or our instruction manual page to see how simple we have made all of our products. You may remove both the jig and the lower from your vise and position the entire assembly horizontally for further drilling. Or use the Drill Jig to drill each 5/32″ hole to a little higher than finished depth for the FCG main pocket of 1.250″. This new plate includes a smaller interior guide and says “3/8” EM 2.00 Deep From This Face.”. Place the jig assembly on flat surface (Drill Press Table) standing upright and make sure everything is square and true. -UFS 80% Lower Receiver Jig Instructions- Please begin by reading this document in its entirety and making sure you have all necessary components and tools. Additionally, after the milling is completed, the build process seems to be where most people get into trouble, particularly during assembly and cleaning. Consequently, generally all a shooter needs to finish milling an 80% lower is a milling jig kit and a milling took kit such as those offered by American Made Tactical, a vise, a router, manual mill, CNC mill, electric drill or a table top or standing drill press. To do this, you need a pivot pin, a pivot pin detent and a pivot pin detent spring. Once the pilot holes are drilled, remove the 3/8” bit and pilot hole plate. We provide all the jigs and tools necessary to complete 80 percent lowers! Overview: These instructions are meant to give you some direction in completing your Optimus Defense 80% Lower Receiver. TAKE YOUR TIME and be sure of each cut (check twice, cut once), and use the Drill Jig more as a “Point Guide” than a Jig and you will be able to use it several times if you like. NOTE – Be very careful NOT to go too deep. The pins on the plate should rest inside the rear take-down of the AR lower and from the pivot pinholes. STEP 5 – With the jig assembly standing upright, start drilling with the 5/32″ Drill Bit at every hole shown above as Green. Specifically, which routers are best for finishing an 80% AR-15 or AR-308 lower receiver with our Universal Router Jigs. Progress Check – when you remove the Drilling Top Plate, your 80% Lower should look like the image above. STEP 2 – Then attach the Drilling Top Plate and use (2) short 10-24 allen head screws to secure the plate leaving bolts loose once again. Do these instructions look confusing, or you just aren't sure what they mean? These Are The Tools You Need To Build An AR-10 Rifle You can almost imagine... Benefits of an AR-10/.308 The AR-10 has been with us for over six decades now,... What follows is the detailed process (one of many available) to finish your. Once you have your 80% lower receiver and jig, there are some extra items you will need to round-up to make sure you have a successful build. You may review all of the images to get a brief overview and/or we highly recommend that you read through everything BEFORE BEGINNING your Drilling and Milling to have a better understanding of the entire process before you start. The drill bushings ensure every pin hole is aligned. Leave it in place for now. Basically, you need to make Surface A flush with surface B on the diagram. As outlined in the 80% lower jig instructions, don’t start the drill until you’re sure the bit is fully inserted. It is only intended to be used as an actual Drilling Jig just ONCE. You’ll require this bit for the safety lever pinhole. You’ll cut through the floor of the 80% lower to create a slot for the trigger once done. If you wish, you may coat the interior of the receiver to better protect the now-raw aluminum showing through. The three side holes for the pins, on each side of the receiver. Note: your jig will probably not look identical to this, but the concept will work the same. With the pilot holes drilled, the aluminum left in the fire control cavity may then be removed using the same method. Start drilling with the 3/8″ Drill Bit at every 1/8″ hole shown above as Blue. Hand held drills DO NOT work very well at all although there are customers who have reported using one. That’s why, to this day, 80 percent lowers have experienced a boom in popularity. Drill entirely through the sides of the receiver via the right side plate. Raid on Competitor Polymer80 the FCG main pocket at 1.250″ about promotions and new product launches time, the! Stand the lower up vertically, install the template holder from the pinholes! Using the two biggest hex-head bolts included with the tooling, then drill through sides... Finishing a UFS 80 % lower receiver Continuing with the pilot hole plate mill at a time ). The frame but not recommended, as it must be exact, apply copious amounts machining. ​How to build an 80 % AR-15 or AR-308 lower receiver with our 80 lower... 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