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(R)ailed(S)tock(A)dapter(5.5)mm Rear Trunnions

The RSA-5.5 stock/brace adapter is specifically made for the Russian pattern 5.5mm pin folding trunnions. These trunnions can be found in the SGL (Saiga) rifles and on the new KUSA Vityaz clone (KP-9), not to mention, the trunnion itself is more readily available than the 4.5mm version.

• 7075 aluminum 
• Black hardcoat anodize finish
• Made in the USA

This stock adapter, like the rest of the RSA line, will allow you to install 1913 stocks/braces.

Cheek weld is adjustable by moving the stock/brace up or down on the rail.

REPLACEMENT PIN IS RECOMMENDED CAN BE PURCHASED HERE

Attaching a stock to a pistol makes it an SBR and requires NFA approval. You are responsible for knowing and following your local/state/federal laws!

JMac Customs LLC is not responsible for the end users misuse of our products.