JMAC

1913 Adapter for 4.5 Folding AKs

The RSA-4.5 allows you to add a section of 1913 rail to the rear of any folding trunnion that utilizes the 4.5mm pin common with many Bulgarian and PSA firearms. This 1913 rail section...

1913 Adapter for 5.5 Folding AKs

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...

1913 Adapter for SCAR

The RSA-SCAR adapter will allow you to install 1913 style folding stocks/braces to your SCAR! It has a QD sling point incorporated into the bottom of the rail area to allow sling attachment...

1913 adapter for Zastava M70/M72/M90 Fixed Stock

Now you can install a SIG style folding stock on your Yugo/Serbian rifles! The RSA-YFS adds a section of 1913 rail to the rear of your receiver which allows you to attach any 1913...

1913 Folding Mechanism

FM-SM-1913 - 1913 Folding Mechanism Clamps on any "1913" or "Picatiny" Rail Works with all of our ArmBar, Skeleton Stocks and Skeleton Tubes Works with SIG MPX/MCX folding braces/stocks Folds Left...

1913 Stock Adapter for CZ Scorpion

JMac Customs' 1913 Stock/Brace adapter for your Scorpion EVO 3. This railed stock adapter is designed specifically for the Scorpion EVO 3 Pistol/Carbine to allow you to install SIG style stocks or...

1913 Stock Adapter for MP5

JMac Customs' 1913 Stock/Brace adapter for the MP5 This adapter will fit the Standard/Full Size MP5 as well as HK33 (556). It has a picatiny rail machined on the rear which allows you to install 1913...

1913 Stock Adapter for MP5K

JMac Customs' 1913 Stock/Brace adapter for your MP5K. These stocks lock in place & provide a better check wield.  7076 T6 aluminum hard coat/black anodized 1913 milspec rail includes choate...

HRD Extended

(H)and(R)etention(D)evice - Extended Compact, lightweight, & reversible M-Lok Compatible (Requires 3 slots) Fits in and across M-Lok Slots Includes mounting hardware 7075 T6 Aluminum Hard Coat...