The M400 DH3 is a collaboration with 3-Gun competition champion Daniel Horner, featuring a Timney Calvin Elite two-stage trigger, enhanced Magpul furniture, 16-inch stainless match-grade barrel, and Geissele MK4 handguard. Purpose-built for 3-Gun competition, the DH3 ships race-ready with components that would cost hundreds over a standard M400 if purchased separately. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2020, USA Weight: 7.3 oz Overall length: 35.5" Status: Active Intended use: competition