Sig Sauer E556M4-20 5.56X45mm OTM 77 Grain Marksman Elite Ammo
5.56X45mm OTM (open-tip match), 77-grain cartridge. This ammo features a Sierra MatchKing boat-tail projectile, dependable primers, brass case, and clean-burning propellants for repeatable, unrivaled accuracy. Great for competition or target practice when ultimate accuracy matters.
Features:
- Ammo Type: OTM
- Caliber: 5.56 NATO
- Grain Weight: 77 gr
- Qty Per Package: 20
- Muzzle Velocity: 2750 FPS
- Muzzle Energy: 1293 FT-LBS
- Ballistic Coefficient (G1): 0.362
- Nickel Plating: No
