AR-10® 18″ Competition Rifle – AR103GN18

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 Purpose built for 3-Gun and practical rifle competition, the AR103GN18's are ready to dominate, right out-of-the-box. A Timney 4-lb., single-stage trigger and Ergo wide grip come standard. The light weight MBA-1 buttstock features an adjustable cheek piece and length-of-pull. The factory ambidextrous safety and Raptor charging handle provide ease of operation for all types of shooters. This rifle is highly customizable, with an adjustable gasblock and tunable muzzle brake to give the user the opportunity to tune the rifle for specific purpose or ammunition.
*All serialized rifles and components must be shipped to a valid Federal Firearms License (FFL) dealer.  An Armalite representative will be contacting you to acquire your preferred FFL’s information. Legal ownership is subject to local, state, and federal laws – please review your state and local government laws before purchase.

SKU: AR103GN18

Rifle Specs

  • Product Line
  • Product Category
  • Caliber
    .308 Win | 7.62x51
  • Barrel
    HB, Match Grade, Stainless Steel
  • Barrel Length
  • Twist Rate
  • Muzzle Device
    Armalite Tunable Competition Muzzle Brake
  • Front Sight Base
    2" MIL-STD 1913 Rail Section
  • Handguard
    12" Free-Floating Competition
  • Attachment Method
  • Stock
    MBA-1 Light Weight Precision, Adjustable
  • Upper Receiver
    Forged Flat-Top with MIL-STD 1913 Rail, 7075-T6 Aluminum
  • Lower Receiver
    Forged 7075-T6 Aluminum
  • Safety
  • Trigger
    Timney 4-lb. Single-Stage Trigger
  • Charging Handle
    "Raptor" Ambidextrous
  • FInish
    Hard Anodized Aluminum, Manganese Phosphated Steel
  • Overall Length
    40.3" Collapsed | 41.5" Extended
  • Weight
  • Included
    One 25-Round Magpul PMAG, Owner's Manual
  • Warranty
    Limited Lifetime Warranty