Features
Physical Data
1.130 in
Cartridge Length
183 grains
Cartridge Weight
115 grain / 7.5 gram FMJ (copper), lead core
Bullet
Minimum of 35 lb
Bullet Extraction
Manufacturer symbol (WMA) and the year of manufacture
Headstamp
Brass (Copper Alloy No. 260)
Cartridge Case Material
Winchester non-corrosive, boxer type
Primer Type
Performance
1,300 ft/sec (396.2 m/s) nominal at 15 ft (4.57 m)
Muzzle Velocity
39,700 psi max. average (2,77 bars)
Chamber Pressure
Average Mean Radius = 1.10 inches (2.79 cm) maximum
Accuracy
-40 F to 125 F
Operating Range
More Info » winchestermilitary.com
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