I am building my first AR, and in 300 BLK. Since Model 1 Sales sells 300 BLK kits and parts, I wanted to see if they had an A2 Birdcage for 300 BLK. Their webpage on the A2 Birdcage doesn't mention calibers, only thread patterns.
http://www.model1sales.com/index.cfm?fu ... ory_id=406
I am curious: Is there is any manufacturing standard correlating caliber and thread size pattern? My 300 BLK barrel has a 5/8"-24 thread pattern. Are 5/8"-24 Birdcages always/usually/sometimes .30 cal?
A2 Birdcage Flash Hider for 300 BLK
Moderators: gds, bakerjw, renegade
Re: A2 Birdcage Flash Hider for 300 BLK
Most often, might also work on other's, 6.8 and 6.5, but are primarily for 308. Think of A2 birdcage as a thread protector, if you want a true flash suppressor, there are better options out there.
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Re: A2 Birdcage Flash Hider for 300 BLK
I went with sota arms. I think it was $10 and shipping.
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