Perfect for this who wish to SBR their APC300, APC223, or APC556 pistols, this is a facytory new OEM part which included the hydraulic buffer and hinge.
BT-361633 – B&T MBT folding stock for APC 223/556/300,
retractable on 8 positions, cheek piece adj. on 3 positions inc. hydr.
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