AR-15 barrels in various lengths, profiles, and materials. From lightweight pencil profiles to heavy match barrels.

The standalone MK18 barrel. Daniel Defense's 10.3" Government profile cold hammer forged barrel ships with a pinned low-profile gas block, ready to drop into a clone-correct or MK18-style upper.

10.3" .300 Blackout BA Hanson profile in the Performance Series tier. 4150 CMV with QPQ nitride, 1:7 5R rifling, pistol-length gas, and a low-profile gas block included pinned in place.

PROOF's flagship Sendero-contour carbon-fiber bolt blank in .264 / 6.5mm bore at 26 inches: a gunsmith-fit blank for 6.5 Creedmoor, 6.5 PRC, .264 Win Mag, and similar long-range chamberings.
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