Zermatt TL-3 short action with Mag bolt face and integral lug, 20TPI tenon. Medium tang, AW magwell (no feed lips), extended ejection port. One piece bolt body, .059 Firing pin, Controlled round feed bolt head with mechanical ejector. Tactical bolt knob, 20 MOA alloy rail. nitride finish (black) on action body, nitride finish (black) on bolt