Home AR-15 AR-15 – How To Gas Block Dimple Your Barrel

AR-15 – How To Gas Block Dimple Your Barrel

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Everyone asks where I find AR-15 stuff in stock or where I order from, so here you are:

Using the BRD Engineering Gas Block Dimple Jig, dimpling your AR-15 barrel has never been easier. I show exactly how to do it in this video.

BRD Engineering:
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34 COMMENTS

  1. the offset of the gas block to the barrel shoulder can be found easily by using the old spacer from the old standard "glacier guards" slip the spacer on the barrel then the jig then drill.

  2. Just had to RMA an Aero precision barrel, was reading on their form how alterations void warranties. Think a single dimple would be considered such an alteration? They have to expect people to dimple their barrels right?

  3. Interested in this tool. I am building a Ar pistol with a Rosco Barrel (10.5 inch barrel) Rosco placed one dimple on the barrel in alignment with the gas port (which is good) My rail is the Geisselle MK8 (9.5 inch) Might pick up this part so I could place a 2nd dimple on the barrel. I might not pin it, don't know yet. Great informative video.

  4. I know this is a "dated" video, but it's still solid information. If a person does any gas block upgrading/replacement, that jig is an invaluable tool to have on a bench. Paying $40.00 for that little guide far outweighs the cost of messing up a barrel, or having gas problems later on. Great/informative video.

  5. Have you noticed any accuracy issues after pinning the gas block? I've noticed there's a loss in accuracy so I only dimple and loctite set-screws now and I've NEVER had a gas block loosen up even on barrels that get heavy suppressed use…Might be something to think about. This is why no premium precision AR barrels are ever pinned. Here's another one for you, why does some of the premium barrel manufacturers like Battle Arms, Northtech, WOA, Rock Creek, Wilson Combat etc only dimple for one set screw? Because it further reduces harmonic inconsistency. That's why they can offer a 1 moa guarantee. Also JP doesn't dimple at all, they just go clamp on. Another one to think about.

  6. Excellent vid and product. I pick up my first 308 lower/upper set in seven days from Kalifornia gun jail and I will definitely use this jig on the barrel.

    Almost takes all fear away.

  7. Thanks for your video. I have a BCM gas block. You mentioned the gas blocks that the jig fits but I couldn't catch the center to center measurement.

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