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Posted: 11/6/2016 10:28:50 AM EDT
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Maybe this is a dumb question but for those of you with Griffin or Gemtech cans that mount in A2 birdcages, have you ever mounted them on an A1?
I've never looked into technical drawings of the two mounts. I keep telling myself I want an A2 compatible can but one of the main hosts will be a 12.5" IDF clone which has an a1 FH. 
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Quoted:
I've never heard of any different between them beyond the additional cuts vs need to be timed to the barrel. I'll second this, I think the main difference is the cuts for the flash hider in the birdcage. I'll compare to my buddy's a1 but I think my a2's are the same as far as exterior dimensions. At least last time we compared them they looked almost identical besides the cuts in the bottom of the a1. |
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Quoted:
I'll second this, I think the main difference is the cuts for the flash hider in the birdcage. I'll compare to my buddy's a1 but I think my a2's are the same as far as exterior dimensions. At least last time we compared them they looked almost identical besides the cuts in the bottom of the a1. Quoted:
Quoted:
I've never heard of any different between them beyond the additional cuts vs need to be timed to the barrel. I'll second this, I think the main difference is the cuts for the flash hider in the birdcage. I'll compare to my buddy's a1 but I think my a2's are the same as far as exterior dimensions. At least last time we compared them they looked almost identical besides the cuts in the bottom of the a1. I'll third this. The vents on the bottom of the A1 are the only difference I've noticed. |
Haven't shot it with it on yet, but it fits and looking down the bore, clears just fine on my A1 carbine with A1 hider on it...I should take it out and make sure it works 
The only thing is obviously make sure the device is shimmed, and if you want to, time it so the flats are at 3/9... |
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I've had a Gemtech Halo for years, and I run it almost exclusively on A1 flash hiders. They only cost $5, and I don't need to time or index them.
I don't use any washer at all, just screw it down until it bottoms on the shoulder. I have had a few A1 flash hiders that were not cut properly, and wouldn't go down flush until they rested on the shoulder, but aside from that it's been quick and easy. |
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