That's just it - 12" apparently opens up a range of possibilities - besides accuracy, one of the reasons given was the ability to use longer (mid) rails, with all it's inherent advantages.
All that by only adding .5".
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That's just it - 12" apparently opens up a range of possibilities - besides accuracy, one of the reasons given was the ability to use longer (mid) rails, with all it's inherent advantages.
All that by only adding .5".
Per Ardua ad Astra.
STS - gone but not forgotten.
Devinsdad,
That was a very informative post, thanks for breaking it down in an understandable way.
...
Agree with Rob. I don't think he meant shooters should run out and ditch 11.5 or 12.5" barrels. If I were building or buying an SBR today I'd probably get a 12" but the shooter is FAR more important than the barrel length.
As for rail lengths... You can use a mid length hand guard with your 11.5" if you have a low profile gas block. That's what I did with mine.
Last edited by El Cid; 01-30-12 at 15:38.
Thanks, but it wasen't my reply. I remembered reading this when the question was posed to BCM, and this was their answer. I couldn't argue with the facts and went with an 11.5 for my SBR as well. In all my reading, this was the best, most imformative answer I've ever heard on the topic. Figured it was time for their answer to be posted here too.
Fritz
I have a DD 10.3 inch barrel on my M4A1 CQBR upper (often called a mk 18 mod 1), and I have a BCM upper with an 11.5 inch barrel. I recently shot them back to back on the same lower (a BCM lower with the VLTOR A5 system). I was amazed at the difference between the two. The 11.5 inch barrel had less noise, muzzle blast, and recoil. The 10.3 felt harsh by comparison.
I am now sold on the 11.5 inch barrel.
So I am just about to be able to use my KAC Block 1 SBR (painfully slow ATF), and due to the flip up gas block, the rail is contained to 7 inches. I was wondering what the SBR experts here do to properly hold a 7 inch rail?
Personally for a 13 inch rail, which is what my 16 inch guns run, I use a thumb over the top of the rail and am able to fully extend my arm to really push the gun into an engagement. Any opinions to drive a 7 incher?
Last edited by Eurodriver; 03-02-12 at 15:13.
Why do the loudest do the least?
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