300AAC Blackout: Berry’s 220gr & CFEBLK Powder Test

| May 20, 2017 | 0 Comments

Today I Loaded 30 rounds of CFEBLK Powder under Berry’s 220gr plated bullet with 3 different loads.

CFEBLK 11.0gr
CFEBLK 11.5gr
CFEBLK 12.0gr

Components Used:
300Blkout Case Head stamped WCC 12
Berry’s 220gr Plated Bullet
Remington 7 1/2 Bench Rest Small Rifle Primer

Each powder throw was weighed on two separate scales
Hornady GS350 Electronic Scale
RCBS 5-0-5 Balance Beam Scale
Both Scales were calibrated with an RCBS weight set before using.

All rounds would be fired from the bench at 50 yards from two rifles:
Ruger American Ranch Rifle in 300 Blackout
AR15 CMMG Barrel 1/7 Twist in 300 Blackout, Pistol Gas Tube

There was no feeding or extraction problems. In the AR15 each load locked the bolt to the rear after the last round.

100% function

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