MCX SPEAR SBR 6.8X51 13" COY RSPEAR-68-13B-NG-SBR Manufacturer Model Number: RSPEAR-68-13B-NG-SBR Manufacturer: SIG SAUER Model: MCX Spear SBR Caliber: 6.8 X 51mm Type: NFA - Short Barrel Rifle Item Type: NFA Firearm / Accessory Action: Semi-Auto Firearm / Accessory Capacity: 20 + 1 Finish: Coyote Sights: No Sights / Optics Ready Stock Frame Grips: Collapsible / Folding Stock Coyote (FDE) Frame & Grip Magazine Quantity and Description: 1 20 rd. AR-10 Mag Overall Length: 26" - 35" Weight: 8.9 lbs. Shipping Weight: 8.9 Feature: M-LOK Rail Feature: Ambi Bolt/Catch Release Feature: Curved Match Trigger Optic Adjustable Objective: false Optic Reticle Illuminated: false