instataya.blogg.se - 300 blackout subsonic load data lil gun

Some T/C barrels will stabalize SOME 220 Sierra Matchkings at around 950 fps, others appear to need up to 1200fps to produce sub MOA groups. All above loads very uniform.ĭo not seat bullets against rifling.

Maximum case capacity – Maximum pressure.

NOTE: This primer seems to give the most uniform velocities with this primer. POWDER POWDERěULLET T/C 10” T/C 14” SSK 10”ĪA1680 – 220 Sierra Matchking OAL 2.235 cases-unfired.

With Accurate Arms #5 powder, other factors the same:Īuthor’s note: The two-decimal charge weights are obtained by dropping then charges into the scale pan, weighing and averaging them. With Hodgdon H335 powder, other factors the same: With Accurate Arms #7 powder, other factors the same: With Hodgdon H4227 powder, other factors the same:

With Hercules 2400 powder, other factors the same: With Hodgdon H110 powder, other factors the same: With Accurate Arms #9 powder, other factors the same: With Accurate Arms #2015 powder, other factors the same: With Accurate Arms #1680 powder, other factors the same:

With Reloader #7 powder, other factors the same: (221 Remington Fireball parent case) Accurate Arms #2 powder, Remington 7 ½ primer, 16.5” barrel, 70F/21C.