Sierra Blitiz King 40 grs Powder a #7

[pete-4d]

caliber 5.7x28mm FN

Rifle AR57 16-inch barrel
Load ID 23426
Bullet --Sierra Blitiz King
Bullet Weight --40 grs
Powder --accurate #7
Powder Weight --7.2 grs
Primer --CCI 400 small rifle
Brass Make --FN once fired
Barrel Length --16 (inches)
C.O.L --1.594 (inches)
Velocity --2158 fps average
Group 25 yds 5/8 (inches)
Submitted By pete
Gun Info AR57 A1 PDW
Comment Had primer flatten at 7.6 ,some neck stretch at 7.5 so backed-off to 7.2gr

[panzermk2]

Welcome to the forum!

[pete-4d]

Thanks glad to be here,
I'm still working trough some of the recipes I've found here. pete