Manufactured in Michigan, the Great Lakes Firearms brand is quickly establishing a tremendous name for itself in the firearms community. This beautiful rifle from the Midwest fills the need for an affordable AR that you can trust to be built right. GLFA AR15 rifles feature a 16" barrel with a 1:8” twist, and use M4 feed ramps. The heavy barrel incorporates a carbine-length gas tube, with 0.750 Gas Block. The barrel is threaded in 1/2x28 and is fitted with a ported compensator hand tightened to the firearm. Each barrel is surrounded by a 15.25" 6061 aluminum M-Lok handguard with a full picatinny rail on top, allowing you to attach the different accessories you may require.