22 250 Barrel Life at Life

22 250 Barrel Life. Also it was running a mild load 55gr nbt over ar2206 doing 3500 fps. H4895 in a 22/250 runs low pressures with 55's with good barrel life, so does h335 with 50g.

As the throat gets long, go to a sierra 55g semi point, then the 63g sierra semi. H4895 in a 22/250 runs low pressures with 55's with good barrel life, so does h335 with 50g. As the throat gets long, go to a sierra 55g semi point, then the 63g sierra semi point where the bullet is not jumping as far to the lands.

22 Nosler Overview Cartridge, Ballistics, AR15

We suggest going with a heavy factory contour with target crown. We suggest going with a heavy factory contour with target crown. I asked him how many rounds he sent down the barrel. Conditions that effect barrel life are, how hot the loads are you shoot through it, frequency of cleaning, whether or not you use a bore guide for cleaning, how hot you get the barrel shooting (shooting lots of rounds close to each other).