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Range report for new custom .260

dk-1

Sergeant
Full Member
Minuteman
Sep 29, 2007
268
8
45
Central, Ca.
Truth be told, I went shooting yesterday to test the accuracy potential with my new stick as well as enter into elfster's 100 yard challenge. Unbeknownst to me, he closed the thread. I realized I screwed up anyway and only shot 25 rounds instead of 30!

Specs of the rifle are:
Trued Rem 700 action
Krieger 1:8 twist #18 barrel threaded 5/8-24 finished at 23 inches
TPS 20 moa steel base 8-40 screws bedded to action
PT&G bottom metal, AICS mags
Pre 2006 Rem trigger set at 2.5 pounds
Coyote tan cerakote on metal parts
Manners MCS T5 stock, pillar bedded with Devcon
SS10x42MQ mounted in Burris XTR rings (temporary until I pick up a March-F)
Harris 6-9 notched legs

Load data:
Berger 140 VLD hunting
46.4 gr RL-22
CCI 200
Rem .260 brass
.010 from lands (AICS mag length)
MV 2727 fps

I had just mounted the SS so I had to zero it. It took two rounds to get it in a 1 moa circle, then I fine tuned it from there. Groups 2 and 3 I was all dicked up, but that's all part of the test, right? My average was .3854 MOA, with my best group being .294 MOA. All groups were 5 rounds, verified 100 yards, fired from a front bag and rear sock on a bench (as pictured). I know my load is not ideal, I used the temp sensitive RL-22 and I'm trying to shoot up what I have left. I've started developing a load using H4831SC and it looks very promising. The flyer in group 3 was called, but I know it doesn't matter much.

I will be doing a workout on the SS10x42MQ today, testing the reticle subtensions and tracking. A comprehensive review of the scope will follow in the optics section.

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Re: Range report for new custom .260

Oh, and during groups 1 & 2 I was still messing with my zero. Group 3, 4 & 5 were with the zero was set and turrets zero'd out.
 
Re: Range report for new custom .260

I'm running a 22" Rock creek and with 43.2gr of H4350 I'm getting 2800fps with a 142smk. It's an awesome powder, definitely the way to go with .260
 
Re: Range report for new custom .260

For some reason my gun hates that powder behind Bergers, in testing it was around 1 moa!