What caliber is H380 powder good for?
H380 is also a superb performer in the 220 Swift, 243, 257 Roberts and other fine varmint cartridges. Available in 1 lb bottle.
How powerful is a 308 bullet?
North American SAAMI maximum pressure for the 308 Winchester is 427.47 MPa (62,000 psi).
What is H380 powder for?
Hodgdon H380 was originally developed for use in the 22-250 Remington becoming known for its accuracy and high velocity. H380 is also a superb performer in the 220 Swift, 243, 257 Roberts, and other fine varmint cartridges. Warning About Smokeless Powder: Do not exceed the loads displayed in the reloaders guide.
Is H380 temperature sensitive?
It seems that if my velocity goes up just a tad, with the extra . 3 grains, that my groups open right up. I have been reading that H380 is a very temp. sensitive powder and it will cause me to gain or lose a considerable amount of fps.
What is 3031 powder used for?
A medium burn speed propellant with many uses, IMR 3031 has long been a favorite of 308 Match shooters using 168-grain match bullets. It is equally effective in small-capacity varmint cartridges from 223 Remington to 22-250 Remington, and it’s a great 30-30 Winchester powder.
What type of powder is H380?
Hodgdon
This was an unnamed spherical rifle propellant when Bruce “B.E.” Hodgdon first used it. When a 38.0 grain charge behind a 52 grain bullet gave one hole groups from his 22-caliber wildcat (now called the 22-250), he appropriately named the powder H380.
What can I load with IMR 3031?
What is the best powder for reloading a 308?
H380 can be an incredibly good.308 Win. powder. It is listed in COW for military.30-’06 loads. At times, WC846 and WC852 both are available, as surplus powders, from www.gibrass.com and others. Their commercial counterparts, BL-C (2) and H380 are more suited to inexperienced reloaders.
What brass will push 155smk @2840?
Sanger, TEXAS! In Win brass 47.0 of Vargay pushed 155SMK @2840 out of my 24 inch Rock, 47.0 of IMR4895 or RL15 goes 2940, in Lapua brass cut at least 1 grain off and work up. This load will consitently shoot 1/2 MOA groups or smaller, 1/4 MOA is typical. I have also had good results with IMR 4064 and Reloader 15. Do an OCW test.
What is the best load for 155 scenars?
For the Lapua brass, I would load it 2-3 grains under published maximum with the 155 bullets, around the 44-45 grain load. You don’t want to stretch your primer pockets out on the second firing without testing the load first. 46.5 Varget in Winchester brass shoots tiny groups in two different rifles with 155 Scenars @ 2.810.