So I finally got out to shoot this yesterday.
Tried range of ammo after getting it onto target at 50yds. Just shot for groups as I figure I'll get it sighted in properly when I decide on what ammo to stick with
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Middle CCI mini mag (used to get on target also), top right Win Powerpoint HV, bottom right Win subsonic 40gn, bottom left highland subsonic HP
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Second target (ignore the ones covered, just shot Browning trombone at the target while waiting to change targets. Middle CCI target Standard velocity, top right CCI Mini mag, bottom right winchester subsonic 40gn, bottom left Winchester Powerpoint HV, top left highland subsonic HP
You can notice a lot off vertical spread in these groups, which could be me or the the rifle possibly has some effect..
I did try putting washer under the front lug to float barrel. Problem was it was on the last targets and I only had a target out at 100 so just shot at that. Shot 3 groups, one without floated barrel and 2 with floated barrel. Only found 2 groups on the target, which I suspect was unfloated and one floated based on position. Unfloated group around 3" and floated group 4-5" with more vertical spread. Shot with the winchester subsonic which i thought gave the most consistent results at 50m
I did have a few instances of going to fire and the trigger just bottomed out with nothing happening. Thought I forgot to cock it, but it wasn't my stupidity. In each of these instances the round stayed in the chamber on opening the bolt, and reclosing the bolt and opening wouldn't get it to extract. Had to pry the rounds out with screwdriver each time. Putting the round back into the mag at one point the round still fired and ejected fine, so it seems the rifle was the issue. It happened with 2 brands, Highland and I think the CCI target standard velocity, 3 times in total I think. The fact it wouldn't trigger makes me wonder if the ejector claws weren't fully around the rim, but wasn't sure if the ejector claws can impact on cocking or triggering of the firing pin.
Keen to hear any thoughts you guys (non gender specific term) would be willing to give.