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Barrel length: 16"
Port position: Carbine
Bullet type: 210 grain Sierra
Bullet weight: 210
Powder: AA 1680 10.5 Grains
Velocity: 840 FPS (Average for 3 shots)
Standard Deviation: ?
Extreme Spread: ?
Accuracy results at 25y, off sandbag from bench, 5 shot group: less than 1/2"
Temperature: 65
Wind: 20mph gusts
Additional Fields of interest:
Barrel Twist: 1 in 8
OAL: to fit magazine
Dies: Redding 300/221
Brass: Mixed headstamps
Primer: Tula small rifle
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