S15 Extensions

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Shield Arms S15 +5 Magazine Extension

Shield Arms S15 +5 Extension

Shield Arms +5 mag extension for the S15 magazine. 12 coil plus power spring included.
S15+0 Aluminum Baseplate

S15 +0 Aluminum Base Plate

S15 +0 aluminum base plate for the S15 magazine - details below.
EXTENDED S15 Replacement Spring

S15 +5 Extension Replacement Spring

Replacement spring for the Shield Arms S15 +5 Mag Extension only.