- Barrel Length: 20"
- Barrel Weight: 4 Pounds 2 Ounces
- Material: 4140 Chrome Moly Steel
- Twist Rate: 1 in 10"
- Chamber: 308 Winchester
- Contour: M110 SASS
- Chrome Lined: No
- Gas Port Location: Rifle
- Barrel Diameter at Gas Port: 0.875"
- Muzzle Thread Pattern: 5/8"-24
- Finish: Mil-Spec Heavy Phosphate
SI Defense Barrel LR-308 308 Winchester 20" M110 SASS Contour 1 in 10" Twist Matte
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DPMS Bolt Carrier LR-308 Matte