7 mm rem mag and ramshot grand

[archeratlrg]

Got a winchester xpr 7 mm rem mag with factory 26 inch tube. I was doing some chronograph reading using 150 accubond I ran loads till I hit pressure backed off 1 grain no pressure but my velocity was was extreme 3376 fps . Has anyone else had this kind of velocity

Yes sir, I get 3355 with 71.5 gr of H4831sc in my M700, 7mm Rem mag and 3440 with 140's and 72.5 gr.

 

[cajun]

Yes sir, I get 3355 with 71.5 gr of H4831sc in my M700, 7mm Rem mag and 3440 with 140's and 72.5 gr.

Nosler's max load is 65 gr H4831sc at 3080 or 3130 ish with a 26". Also hogdon data lists about 3200 ish with 150's and grand. How many firings are you getting with those loads? If I had to guess those loads are well above 65k.