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Does the sbm4 use the same buffer/ buffer spring as the sba3? — 1 Answer
by
Robert Rice,
from WA, United States Asked on January 15, 2021
SB Tactical SBM4 Stabilizing Brace for AR Pistol Buffer Tube Platform(4.5)
Answered by
Armando R.,
Gear Expert,
from IL, United States,
on February 16, 2021
The SBM4 is a pistol tube mounted brace, but as long as the pistol tube you are mounting this too is a carbine length tube, then it will use the same buffer weight and same buffer spring. But the weight and spring are dependent on the tube and not the actual brace.
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