|Gas System Length|
|Gas Block Diameter|
1/2 – 28
Midwest Industries 18″ Lightweight Contour AR-15 Barrel
Striking a solid balance between the Hybrid and Government profiles, these Midwest Industries 18″ Lightweight profiled barrels are perfect for 3-Gun and lightweight SPR rifle builds.
Uniformity of the bore, groove, twist, and hand lapped finish improve the accuracy potential of each match quality barrel. These barrels will accept both .223 Remington and 5.56 NATO ammunition. Also included is an M4 barrel extension. Chambers are finished, but barrels should be headspaced and installed by a qualified gunsmith.