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.300BLK

Load Data Details For Barrel, .300BLK View Firearm Profile
Cartridge .223 AI
Model BA 50c
Bullet
Manufacturer Sierra
Model Match King
Weight 175.000 Grains
Lot#
Powder
Manufacturer IMR
Model IMR4227
Charge Weight 10.50 Grains
Lot#
Primer
Manufacturer CCI
Model 450
Thickness
Lot#
Brass
Manufacturer Lapua
Model 300BLK
Length 1.365 Inches
Lot#
Bullet Seating Depth
Length to Ogive (LTO)
Overall Length (OAL) 2.215 Inches
Bullet Length 2.21 Inches
Projection Length 0.850 Inches
Velocity
Velocity: (feet per second) 1045 Fps
Chronograph, (brand & model)
Chronograph Distance
Notes

Outstanding subsonic accuracy load for the 300BLK and 175SMK. Struggled with about 8 different powders before landing here. It's a little louder than powders such as trailboss, N320, and N350... but is far more accurate. .