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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.
$39.99
S15+0 Aluminum Baseplate

S15 +0 Aluminum Base Plate

S15 +0 aluminum base plate for the S15 magazine - details below.
$24.99
EXTENDED S15 Replacement Spring

S15 +5 Extension Replacement Spring

Replacement spring for the Shield Arms S15 +5 Mag Extension only.
$2.99
plastic-s15-Grey

S15 +0 Plastic Base Plate

S15 +0 plastic base plate for the S15 magazine - details below.
$2.99
Picture of Shield Arms S15 +2 Extension

Shield Arms S15 +2 Extension

Shield Arms +2 mag extension for the gen 2 and gen 3 S15 magazine.
$34.99
Picture of S15 +2 Pre-Installed Magazine Extension

S15 +2 Pre-Installed Magazine Extension

Shield Arms S15 magazine with an installed Shield Arms +2 magazine extension, for a total of 17 rounds.
$68.99