2 Attachment(s)
2253 FPS cast groups .308win
Gun DPMS AR-10with a 20” Criterion SS barrel 1/12 TW.
Scope, Bushnell 4200 6x24
Boolit; Lee312-155R
HF ESPC red
Alloy; 75%COWW25% Linotype spacers =14 BHN
Sized to .311
Light roll crimp.
COL 2.630
LC 13 brass flash hole deburred,primer pocket uniformed.
Hornady gascheck seated with a seater made by Buckshot, this tightened my groups!
Thanks, Buckshot.
Boolits sortedinto 1/10th gr. Groups
I have shot very few jword in this barrel(didn’t workup a load).
These two groups10 shots ea. @100yds
The first groupw/cold bore) measured c/c 1.53 my bestso far.
Second groupmeasured 2.50 including the 2 flyers, without flyers 1.41
Powder 36.6gr Varget
2253 fps sd16
I have been shooting 40-60 rds a day working this load up, the groups keep getting better.
PS. I read couple of days ago that if the boolits age 3-4 weeks the groups will be better, I couldn’t wait, these boolits are 3 days old.
Attachment 107986