Author Topic: 80% AR Lower Drilling Jig  (Read 585 times)

Offline Nemo

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80% AR Lower Drilling Jig
« on: April 09, 2013, 05:40:03 PM »
Looks like something I need to buy.

Nemo

http://www.armslist.com/posts/1390100/atlanta-georgia-gun-parts-for-sale--cnc-ar15-lower-receiver-drill-jig

For Sale: CNC ar15 lower receiver drill jig

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Click for larger image!
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AR15 LOWER RECEIVER DRILL JIG

The original CNC machined setup blocks / drill guide for completing your 0% - 80% (casting or forged) AR15 lower receiver. The blocks have a black anodized finish. I enjoy helping people get started in this hobby, so let me know if you ever have any questions. YOU WILL NOT FIND THIS KIND OF SUPPORT ANYWHERE ELSE!!!

A great deal of research and design time was put into these blocks to make sure they were as user friendly as possible. These blocks will help hold the receiver flat and square while you finish the work needed to get your receiver machined into a firearm. The blocks are machined to mil-spec standards, so every hole is right on the money. The jig includes the drilled and tapped holes for the optional milling adapter kits (listed above).

Applications

Using this jig is as easy as 1-2-3; (1) Place the blocks on both sides of the receiver and loosely tighten the two bolts, (2) Put the assembly upside down on the edge of a flat table and use another flat surface to make sure the back of the receiver is coincident with the back surface of the blocks ~this step is for locational purposes~ (these two location surfaces must be to finish specs before use), (3) Then simply tighten the bolts and you are ready to drill the side holes or do any other work that needs to be done on your receiver.

Bolt Catch Hole and Buffer Tube Area

This AR-15 jig will also aid you in drilling the bolt catch hole as well. Simply slide the block with the slots (as seen in the photo) over the receiver and clamp them together with a C-clamp and you are ready to drill the bolt catch hole, nice and straight without worrying about a crooked hole and ruined lower. To get the pistol grip hole finished just slide the pistol grip onto the receiver and mark where the hole should be drilled. Then place a 2 " block under the receiver (as shown) to easily drill the pistol grip hole. This way of drilling the hole is by far the easiest method.

You can also use this AR15 jig to make sure you get that tricky buffer tube area drilled and tapped the first time. These blocks will even help you drill the front detent pin and any other work on top or bottom of the receiver. The jig is so EASY to use, that you can finish out your receiver using little more than a cordless drill with the proper drill bits. No matter what side of the receiver you need to machine or drill, these setup blocks will insure you hold your receiver flat and square every time. The blocks have a black anodized finish, so you will be able to use these blocks many times. This is the same mil-spec anodized finish that the military uses, so you know it will last a very long time.

The blocks are shipped with a quick start instruction sheet to assist you in using your blocks for the first time. You can also view the tutorial at this link CNC Gunsmithing Jig Tutorial.

This AR15 jig will save you time and money. No more trashing a receiver because you drilled a hole off position or at an angle. This is a must have for finishing an AR-15 receiver the EASY WAY!
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Offline Badnewz

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Re: 80% AR Lower Drilling Jig
« Reply #1 on: April 10, 2013, 05:56:23 PM »
That may be worth getting in these times! Nice find.
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