Description
The SIONICS Receiver Extension contains the following:
1- SIONICS 6-Position Mil-Spec Receiver Extension (Dry-Film Lubricated)
1- SIONICS QD Receiver End Plate
1 – SIONICS Castle Nut
1 – SIONICS H Buffer
1 – Sprinco Blue Action Spring
Optional Buffer Selection:
Upgrade to either an H2 or H3 Buffer
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