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File: w2mtj.jpg-(47 KB, 1024x446)
So. An A2 is 1.75 inches long,...
Anonymous 06/16/14(Mon)22:29 UTC+1 No.21602473 Report

So. An A2 is 1.75 inches long, and a BF Meyers is 2.75 inches long, so an 18" rifle length with a BF Meyers should be one inch shorter than a 20" rifle length with an A2.

Does that mean you can affix a bayonet to a rifle length 18" barrel with a BF Meyers flash hider, since the bayonet ring rests near the base of the hider on a regular M16?
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Anonymous 06/16/14(Mon)22:37 UTC+1 No.21602577 Report

>>21602473
AR thread?
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Anonymous 06/16/14(Mon)22:39 UTC+1 No.21602606 Report

It would be close to the end of the 249f. Might work.
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Anonymous 06/16/14(Mon)22:42 UTC+1 No.21602637 Report

>>21602606
Correct me if I'm wrong but, the ring is just there to reduce wobble right? As long as it fits over and isn't too loose it should lock right?
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Anonymous 06/16/14(Mon)22:45 UTC+1 No.21602666 Report

>>21602637
Should. You might find this interesting. It's not an 18" but kinda along the same idea.
http://www.m9m4.com/index.cfm?fuseaction=engine&idcategory=1&currentpage=37
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Anonymous 06/16/14(Mon)22:49 UTC+1 No.21602711 Report

>>21602666
>http://www.m9m4.com/index.cfm?fuseaction=engine&idcategory=1&currentpage=37
Yeah, in that case they are bridging a 2 inch difference from gas block to tip rather than a 1 inch difference (including the flash hiders) so I think an unmodified m7 should fit on an 18" with the 249f
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Anonymous 06/16/14(Mon)22:55 UTC+1 No.21602774 Report

The reason why this came up is because I have a heavy 20" Armalite HBAR and I'm considering switching to a ranier arms mountain series 18" to shed a whole pound worth of barrel, get dat polygonal rifling, and maintaining muh rifle length gas.

Still being able to mount a bayonet and having zero muzzle flash would be a good bonus.
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Anonymous 06/16/14(Mon)22:56 UTC+1 No.21602788 Report

>>21602711
The total length should be about 20.25" ish. I think it might work. Good luck.
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