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Page AR-15 » Rimfire and Pistol Calibers
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Site News 2024's Favorite CCW? | PSA Micro Dagger
Archived [ARCHIVED THREAD] - Ideal length for SBR in .45 acp?
Posted: 2/9/2006 11:32:03 AM EDT
Is there such a thing as an ideal length for pistol caliber ARs?  I was thinkng along the lines of maybe a 10 - 11 inch barrel for a .45 acp build.  Do you guys forsee any problems with that?  Thanks.

Link Posted: 2/9/2006 12:30:22 PM EDT
[#1]
Send me an upper and I'll progressively cut it down 1" at a time and send you the test results.  
Link Posted: 2/9/2006 2:30:52 PM EDT
[#2]
Quoted:
Is there such a thing as an ideal length for pistol caliber ARs?  I was thinkng along the lines of maybe a 10 - 11 inch barrel for a .45 acp build.  Do you guys forsee any problems with that?  Thanks.


8.2gr of Win 540 (Hodgdon HS-6) and a 230gr LRN out of a 10.25" Uzi pipe will get you 1080fps.

7.3gr 800X will do similar.

Cannot offer anything for Wolf 45 (pile of pick-ups) , or std factory loads (cost too much)....

Link Posted: 2/9/2006 7:39:34 PM EDT
[#3]
Shoot .45 Super and get around 1200 fps.

Archived [ARCHIVED THREAD] - Ideal length for SBR in .45 acp?
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