LWRC International SIX8-A5 California Compliant SIX8A5RB16CAC Action: Semi-auto Barrel: 16.1″ Finish: Black Sights: LWRC Skirmish Back-Up Sights Caliber: 6.8mm SPC Capacity: 10+1 Magazine: 1 10 rd. Rate Of Twist: 1-in-10″ RH Stock Frame Grips: Collapsible / Folding Stock LWRC Compact Adjustable Stock Nfa Thread Pattern: 5/8×24 Feature: Ambi Bolt Catch/Mag Release, Approved Magazine Lock *CA Compliant – Fixed magazine with Juggernaut Tactical Rear Takedown Pin