Sniper Country Duty Roster collective wisdom

Rifles - 300 Remington Ultra Mag:

Anybody heard "Beta" data on the .300 Remington Ultra Mag Sendero?
Pat(mr bullet)??
BIG CITY, BY-GAWD USA - Sunday, December 20, 1998 at 11:29:17 (EST) 

PeteR 300Rem Ultra Mag
180gr bullet at 3300 so say the factory. actual is closer to 3150-3200
Case is .404 Jef. with rebated rim to fit in 375 H&H bolt
Remmington is only looking for 1 1/2 moa from factory I would want more accuracy but I guess this is ok for a factory and a 3200 fps .30
I can look up all the info in past test articles if you need it.
They may be bringing out a 7mm also, maybe next year
Jeff Cooper <>
Elvis, Tn USA - Sunday, December 20, 1998 at 19:35:19 (EST) 

I forgot to answer your question on the 300UM but I see Jeff C. hit the high spots. The article I read was the test in a factory 700LSS rifle and the main test was to take it to Alaska to see how it worked on big game. The writer stated that the factory load fell short of the advertised 3300fps with the 180gr. He was only able to obtain 3170 to 3195 with two different loads. His hand loads weren't much better but he did state that there were absolutly no pressure sign's and he felt that the 3300fps would be realistic. He just didn't have the time to play with it like he would have liked to. His factory gun shot 1.5 to 1.3 at 100yds and at 250yds with hand loads shot 2.8 and 1.3 and 1.5(For 3 shots) so the potential is there and in a sendero would probably be a fine long range caliber, with ammo and brass that the little guy can afford. He did say the recoil generated was 41LBS so it's a kicker!!!
Pat <>
USA - Monday, December 21, 1998 at 14:12:12 (EST) 

Back to Hot Tips & Cold Shots