TS-8R (T)riangle(S)tock(8)inch(R)ise 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers (will be available in the future) Compatible with JMac 1913 and MRKT folding mechs as well as SM adapters 7075 T6 Aluminum Hard-Coat Anodized 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. Mfg: Jmac Customs