Any reason to pick one over the other?
500 rds. of Magtech® CBC Brazil .223 5.56x45mm 77 Grain Ammo.
CBC Brazil is one of the largest ammunition manufacturers in the world, with expertise in production of small and medium calibers, since 1926. Its wide range of products is exported to over 100 countries and attends to the needs of military, law enforcement and commercial markets. Brass-cased, Boxer-primed, reloadable, non corrosive. 77 grain open-tip match bullet. CBC, made in Brazil. Headstamp. 50 rds. / box, 500 rds. / case.
Caliber: .223 5.56x45mm
Bullet Style: hollow point
Bullet Weight (Grs.): 77
Muzzle Velocity (FPS): 2,465
Muzzle Energy (ft.-lbs.): 1,038
Magtech/CBC 5.56x45 MK262 Mod 1 Ammo 77 Grain Sierra Open Tip Match
Case of 1,000 rounds, new production, non-corrosive, boxer primed, reloadable brass cases
Description:
Caliber: 5.56X45 NATO - Sierra 77 grain Match King Open Tip Match
Preferred Combat Ammunition for USSOCOM Operations
Specifications:
Sierra 77 grain Match King, Open Tip Match Bullet
Pressure per NATO/ MOPI Specs
Cannelured Bullet, Staked and Sealed Primers
Flash Suppressant Powder for Low Flash Signature
Waterproofed per NATO/MOPI Specs
Excellent Accuracy. Sub MOA Capable
Excellent Terminal Ballistic Performance
Ballistics:
Muzzle Velocity (FPS): 2,789
Muzzle Energy (Ft. Lbs.): 1,330
Test Barrel Length: 20.00 inches