Features
Physical Data
1.169 in
Cartridge Length
154 grains
Cartridge Weight
90 grain (5.8 gram) Frangible, 100% lead free copper-polymer composite
Bullet
Minimum of 45 lb
Bullet Extraction
Manufacturer symbol (WMA) and the year of manufacture
Headstamp
Brass (Copper Alloy No. 260)
Cartridge Case Material
Winchester lead free, heavy metal free priming mix, boxer type
Primer Type
Performance
1325 ft/sec (404 m/s) nominal at 52.5 ft (16.0m) – INFORMATIONAL ONLY
Muzzle Velocity
34,520 psi (2,381 bars) max. average
Chamber Pressure
3.5 inches (11.4 cm) max. avg. Extreme Spread 4.5 inches (8.9 cm) max individual Extreme Spread
Accuracy
-25 F to 125 F
Operating Range
More Info » winchestermilitary.com
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