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JMAC Customs Railed Stock Adapter 4.5mm - RSA-4.5
Lowest Price
$71.96
MSRP
$71.96
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1 Stores
Updated
Apr 18, 2026
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Specifications
Brand
MPN
RSA-4.5
Description
The JMAC Customs (R)ailed (S)tock (A)dapter is the equivalent to the Mod-2 stock adapter, which offer the ability to host Sig style stocks plus M-4 stock capabilities.