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Rifles, Reloading, Optics, Equipment
Gunsmithing
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<blockquote data-quote="cornchuck" data-source="post: 2784667" data-attributes="member: 20220"><p>I have a Christensen Arms Mesa in 300 PRC. I bought it brand new and did the recommended barrel break in from Christensen. The only thing I changed was the muzzle brake from the factory radial brake to a self timing 5 side port brake from MuzzleBrakesandMore. As I was doing the break in, I also was fire forming new Lapua brass. After I got that done, I started load development at 100 yds. Load development consists of Barnes 190 LRX and Hornady 190 CX. Both are all copper bullets with H1000 and H4831sc. Doing load development for an upcoming Aoudad hunt. I even tried Hornadys factory 190 CX ammo. I CAN NOT get anything to group. Its more like MOB. Minute of Barn. There are 239 rounds down the barrel. I have checked the scope rings, base, and action screws. Everything seems up to spec. This is the first rifle I can't get at least moa at 100 yards. Does this warrant a return to Christensen to have it checked out? Or is there something else I need to look at?</p><p></p><p>Jason</p></blockquote><p></p>
[QUOTE="cornchuck, post: 2784667, member: 20220"] I have a Christensen Arms Mesa in 300 PRC. I bought it brand new and did the recommended barrel break in from Christensen. The only thing I changed was the muzzle brake from the factory radial brake to a self timing 5 side port brake from MuzzleBrakesandMore. As I was doing the break in, I also was fire forming new Lapua brass. After I got that done, I started load development at 100 yds. Load development consists of Barnes 190 LRX and Hornady 190 CX. Both are all copper bullets with H1000 and H4831sc. Doing load development for an upcoming Aoudad hunt. I even tried Hornadys factory 190 CX ammo. I CAN NOT get anything to group. Its more like MOB. Minute of Barn. There are 239 rounds down the barrel. I have checked the scope rings, base, and action screws. Everything seems up to spec. This is the first rifle I can't get at least moa at 100 yards. Does this warrant a return to Christensen to have it checked out? Or is there something else I need to look at? Jason [/QUOTE]
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