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DoubleStar AR-15 Pistol Length Receiver Extension/Buffer Tube Assembly Matte Black AR175

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DoubleStar is a high quality manufacturer of AR-15 parts and accessories. This particular part is a receiver extension/buffer tub for an AR-15 pistol build. It includes the carbine length spring and buffer, and features a 1.25" ambidextrous sling mount.

Specifications and Features:
DoubleStar AR175
AR-15 Receiver Extension/Pistol buffer tube assembly
1.25" Ambidextrous sling mount
Billet Machined Gusset
Foam OverTube (cut to length)
Carbine buffer and spring included
Matte Black

Total number of Reviews: 1

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3.0 5
"This product fit well on my Spikes Tactical lower. It was nice finding a pistol buffer tube that was not designed for the Sig Brace, which I find to be horribly uncomfortable. The big problem I have with this is that the buffer and buffer spring that are included are for a carbine, not a pistol length AR with a pistol length gas system. Most AR pistols need a heavier buffer, usually an H2, (sometimes a heavier buffer spring will work) so I ended up spending more money to get that. I feel like a buffer tube designed for a pistol should have the parts you need for a pistol. I probably would have come out about even if I had bought all the parts separately. But you live and learn, and I guess now I have spare buffer for my carbine."