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DoubleStar Hammer Buttstock-M4 7-Position Mil-Spec Buffer Tube
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PHIL's Review of DoubleStar Hammer Buttstock-M4 7-Position Mil-Spec Buffer Tube

I've used the Hammer on a Seekin's Billet Receiver Build and an RRA 300 B/O build ~
I working on a Mega Maten AR10 W/two complete Upper's
6.5 CM & 338 RCM Magnum.
The Hammer will be on it...
I use quality springs and hydraulic buffers w/no issues.
I have NO IDEA what would Break or Rattle ~ on one of the best build stocks available. It wasn't designed for "lite" duty.
Would Recommend: Yes
4 of 6 found the following review helpful.
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Last updated 2025-11-12 UTC.