11.5 inch upper buffer selection

64tinc

Joined: Sep 2006

Posts: 6133

EE: 100% (207)

OK, USA

Posted: 9/1/2026 7:15:33 PM EDT

How does anyone like their VLTOR A-5 Stock System?
I just installed one on my 11.5 upper.

WoodChuckDad

Joined: Dec 2008

Posts: 724

EE: 0% (0)

VA, USA

Posted: 9/1/2026 7:27:38 PM EDT

[#1]

I put a 12.5 5.56 BCM upper on my BCM lower that had previously had a 16 inch barrel. I have not noticed any problem with function. It now wears a JK Armament suppressor and still shoots great. I am probably not sophisticated enought to know that it's a terrible problem and I need to fix it immediately.

Nobody69s

Member

Joined: Nov 2014

Posts: 9659

EE: 100% (554)

USA

Posted: 9/1/2026 8:50:17 PM EDT

[#2]

I run the A5 system almost all my guns.
It gives a wider functioning range.
You can see this when you try different buffer weights compared to a carbine length tube.

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11.5 inch upper buffer selection

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11.5 inch upper buffer selection

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11.5 inch upper buffer selection