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Posted: 10/23/2013 10:34:23 PM EST
I'm looking at putting a Vltor A5 buffer kit on my 14.5" BCM Mid length. As I'm not sure exactly what the gas port size is on this barrel, I'm wondering if the A5 will function. The standard buffer in the kit is a 5.2 oz and I can either go up or down in weight from there. The ultimate goal is to decrease the recoil impulse while maintaining 100% reliability with most 5.56 & .223 ammo ( don't plan on using any PMC, Tula, Wolf ammo). Anyone running a similar setup and is it working well? Thanks in advance for the help/advice/input.

RLTW
Link Posted: 10/24/2013 2:56:15 AM EST
Guy I know runs his bcm 14.5 middy with a A5 system with no ill effects.
Link Posted: 10/24/2013 3:15:56 AM EST
I run the A5 on my 20" bcm upper and it short strokes tula occasionally but everything else runs fine.
Link Posted: 10/24/2013 3:27:00 AM EST
Sorry for the bad news.....

IIRC,, the Vltor A5 system is the cats ass for all gas/barrel length combos EXCEPT for the 14.5 midlength. I'm sure you can go down in buffer weight to help, but I can't say it'll work well.
Link Posted: 10/24/2013 4:11:45 AM EST
[Last Edit: 10/24/2013 4:11:45 AM EST by Lancelot]
Topic Moved
Link Posted: 10/24/2013 4:19:12 AM EST
[Last Edit: 10/24/2013 4:20:39 AM EST by firepyro515]
I've run the A5 on both 14.5 carbine (Colt, DD, BCM,LMT) and midlength (FN, Spikes, DD) systems without an issue.
Link Posted: 10/24/2013 12:06:56 PM EST
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Originally Posted By bankfraudguy:
Sorry for the bad news.....

IIRC,, the Vltor A5 system is the cats ass for all gas/barrel length combos EXCEPT for the 14.5 midlength. I'm sure you can go down in buffer weight to help, but I can't say it'll work well.
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Interesting. I have never heard anything like this.
Considering the A5 was designed to give rifle length (and thus rifle length gas systems) an adjustable stock, I couldn't imagine why it would find middies a challenge.
Link Posted: 10/25/2013 7:01:20 AM EST
IIRC Vltor has a special buffer for the A5 with midlength gas 14.5" barrels.
Link Posted: 10/28/2013 4:25:18 PM EST
I have run my A5 with both the 14.5'' carbine and mid-length barrels, and currently have it on a 16'' mid-length.
No worries with any of them.
Link Posted: 10/29/2013 9:28:37 PM EST
I run the A5 on a BCM 14.5 mid length with a Surefire 556 muzzle brake and it's smooth as silk. No recoil whatsoever. I don't shoot steel case ammo so can't tell Cant' go wrong with this setup. Enjoy!
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