Wilson Combat's AR-15 compatible .30-caliber hunting cartridge. Based on the .30-30 case, it offers genuine deer hunting capability from the AR-15 platform.
Type: Rifle
Introduced: 2018, United States
Parent case: 5.56x45mm NATO
Standardization: SAAMI
Bullet diameter: 0.308" (7.82 mm)
Case length: 1.5" (38.1 mm)
Overall length: 2.26" (57.4 mm)
Max pressure: 62,000 PSI
Rim type: Rimless
Primer: Small Rifle
Typical twist rate: 1:15
Muzzle velocity: 2300–2750 fps
Muzzle energy: 1291–2522 ft-lbs
Effective range: 300 yd
Common bullet weights: 110, 125, 150 gr
Primary use: Hunting, Self-Defense
Production status: Active
Also known as: 300 HAMR · .300 HAMR
History: Developed by Wilson Combat and introduced in 2018 as an AR-15 compatible hunting cartridge. Based on the .223/5.56 case dimensions for bolt-face compatibility. Approved for deer hunting in straight-wall cartridge states. SAAMI standardized in 2021.
Notable firearms: Wilson Combat RANGER, Wilson Combat Protector, Wilson Combat Recon Tactical
Similar cartridges: .30-30 Winchester, .300 AAC Blackout, 7.62x39mm