Sumsky 115 Posted February 17, 2012 Report Share Posted February 17, 2012 Finaly received letter from ATF approving my caliber and barrel length change. Pic below of the letter for those of you who dont know what one looks like. 1 Quote Link to post Share on other sites
gregomega 929 Posted February 17, 2012 Report Share Posted February 17, 2012 Is it just me or does it say 7.62x35? Quote Link to post Share on other sites
Sumsky 115 Posted February 17, 2012 Author Report Share Posted February 17, 2012 (edited) Is it just me or does it say 7.62x35? Your eyes are ok, it does say that. Its the 300 blackout caliber, 7.62x35 It goes into a AR platform 7.62x35. The only difference is the Barrel. Also uses the same 5.56 Magazines, Bolt and Carrier. Edited February 17, 2012 by Sumsky Quote Link to post Share on other sites
Scott Kenny 144 Posted February 17, 2012 Report Share Posted February 17, 2012 Interesting... Would be a bit nicer than .300 Whisper, since that has a different case head. Quote Link to post Share on other sites
YARP 300 Posted February 18, 2012 Report Share Posted February 18, 2012 (edited) Interesting... Would be a bit nicer than .300 Whisper, since that has a different case head. 300Whisper and 300BLK are essentially the same round. 300whisper can be made from .221 fireball or .223/5.56 brass, 300BLK is made from .223/5.56. How is the "case head" different. AAAAAAAAAAAND congrats to you Sumsky! Sweet setup. Edited February 18, 2012 by YARP Quote Link to post Share on other sites
Scott Kenny 144 Posted February 19, 2012 Report Share Posted February 19, 2012 WTH??? coulda sworn that the .221 fireball had different case head dimensions than the .223. That's about what I get for failing to confirm before opening my mouth. Quote Link to post Share on other sites
FL Thunder Stick 21 Posted April 13, 2012 Report Share Posted April 13, 2012 That is very cool Question....did you shorten it before or after you applied for the tax stamp? Thanks! FTS Quote Link to post Share on other sites
Sumsky 115 Posted April 22, 2012 Author Report Share Posted April 22, 2012 That is very cool Question....did you shorten it before or after you applied for the tax stamp? Thanks! FTS You apply for the Tax stamp before you buy the Barrel. Quote Link to post Share on other sites
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