JMac Customs RSA-4.5
(R)ailed (S)tock (A)dapter (4.5)mm folding rear trunnion
Talk about the perfect upgrade!
The RSA-4.5 is the equivalent to our Mod-2 stock adapter which offers the ability to host Sig Style Stocks PLUS M-4 stock capabilities.
Black hard anodized finish
REPLACEMENT PIN IS RECOMMENDED
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