R.W.Dale
Member
AR15 in 30-30 via the 30HRT (150g bullet load workup) New pic in OP
(load data is not pressure tested, use at own risk)
I thought I'd make a quick post to share my chrony results from beginning load workup on 30HRT shooting 150 grain Remington RN bullets. For those not in the know 30HRT stands for Herrett Tactical Rimless or 30herrett formed on a 6.8 case instead of 30-30
Cases; Formed Hornady 6.8spc
Primers; CCI#41
Propellant; H-335
C.O.L. XXX or .020" off the rifling
Firearm; White Oak Precision 20" 30HRT upper
Temp; 95 degrees
I lost a couple data points on the first two charges as my Jard trigger went out of adjustment and the rifle started doubling So I single fed rounds for the last two strings for safety sake.
27.0g 2120 FPS no accuracy data
28.0g 2230 FPS no accuracy data
28.5g 2237 FPS 5shots @100 2.2"
29.0g 2269 FPS 5shots @100 2.07"
Ejection was nice and soft, brass and primers appeared to not be worried in the slightest. I'll likely proceed towards 30.0g or 2300fps whichever comes first at which point this load will equal what every 20" 30-30 I've owned will do with 150g bullets. Then I'll play around with COL and see if I can't better the accuracy of this load.
(load data is not pressure tested, use at own risk)
I thought I'd make a quick post to share my chrony results from beginning load workup on 30HRT shooting 150 grain Remington RN bullets. For those not in the know 30HRT stands for Herrett Tactical Rimless or 30herrett formed on a 6.8 case instead of 30-30
Cases; Formed Hornady 6.8spc
Primers; CCI#41
Propellant; H-335
C.O.L. XXX or .020" off the rifling
Firearm; White Oak Precision 20" 30HRT upper
Temp; 95 degrees
I lost a couple data points on the first two charges as my Jard trigger went out of adjustment and the rifle started doubling So I single fed rounds for the last two strings for safety sake.
27.0g 2120 FPS no accuracy data
28.0g 2230 FPS no accuracy data
28.5g 2237 FPS 5shots @100 2.2"
29.0g 2269 FPS 5shots @100 2.07"
Ejection was nice and soft, brass and primers appeared to not be worried in the slightest. I'll likely proceed towards 30.0g or 2300fps whichever comes first at which point this load will equal what every 20" 30-30 I've owned will do with 150g bullets. Then I'll play around with COL and see if I can't better the accuracy of this load.
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