SI Defense Barrel LR-308 308 Winchester 20" M110 SASS Contour 1 in 10" Twist Matte

Product #: 814978 SI Defense #: SI AR-B-SASS-308-20
$236.64

Please Sign In to use this feature.

Product Information

SI Defense LR-308 barrels are made from 4140 chrome moly steel and use button rifling. The barrel is chambered in 308 Winchester with a 1 in 10" twist. The M110 SASS profile is heavy under the handguard and .875" at the gas block. The muzzle is threaded 5/8"-24 to accept muzzle brakes, flash hiders, or a suppressor. The barrel is finished with a mil-spec manganese phosphate finish. This barrel is compatible with DPMS LR-308 Bolt assemblies and other parts.

Technical Information:
  • 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
Was this information helpful? Yes No

Thank you for your opinion. We appreciate your input!

Please Help Us Improve

Please enter the missing required fields:

    Please describe why the information was not helpful.

    Do you accept our terms and conditions? *

    *Indicates a required field

    Know someone who may like this? Email this Page to a Friend

    Customer Reviews

    The statements and opinions expressed within Customer Reviews reflect each author's personal perspective and do not imply endorsement by MidwayUSA, its Employees or any other organization. Customers should in no way infer that MidwayUSA has validated review information as safe, accurate or appropriate.

    NOTE: Prices, specifications and availability are subject to change without notice.
    We reserve the right to correct typographic, photographic and/or descriptive errors.
    Recently Added
    Suggested Products
    SI Defense Barrel LR-308 308 Winchester 20" M110 SASS Contour 1 in 10" Twist Matte
    SI Defense Barrel LR-308 308 Winchester 20" M110 SASS Contour 1 in 10" Twist Matte