JMac Customs ST-6 Skeletonized Tube w/ 1913 Folder

This M4 tube adapter replaces the standard buffer tube to ensure the stock folds as flat as possible! Skeletonized Tube: Integrated QD Sling Sockers 6" Length 6 positions Compatible with SIG folding mechanisms 7075 T6 Aluminum Type III Hardcoat Anodized Fits most M4 style stocks/braces Lightweight and Rigid Weight: 7.57 oz w/ 1913 Folder 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 or Right Has 2 height adjustments 4140 HT Black Nitdride Torque spec: 20 in/lb. Adds approx .5" to stock/brace length Allows your stock/brace to lock in the folded position