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5x284 Cooper Model 22 and h?

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Shot some 150 NBT and 66 grains of RL 22 this weekend. Mar 20, 2020 · IMR Enduron 7977 or 8133. Hodgdon Retumbo 149 Vihta Vuori N170 151. Ramshot Magnum, Retumbo, N570, and VV 24N41 should all work, heavy bullet, slow powder. natalie herbick mark normand Recently began experimenting with Retumbo in my 26" Remington 700 LH 7MM Magnum, and am very happy with the results5 grains with a 160 grain Accubond yields 2980FPS and sub Shoots flat and accurate out to 400 yards, which is as far as I have to work with until. GR. I've used Ramshot magnum in the past with my 338 Lapua, 8mm mag and 338 O'Brien but never in my 300 Rum until today and I have to say I'm impressed with the accuracy. Like most of the Ramshot powder line, LRT is manufactured for Western Powders by PB Clermont in Engis, Belgium. Refer to the current SPEER® Reloading Manual for handloading instructions. Anyone have any load data for the 7mm Rem Mag with Retumbo & the 168gr Berger VLD hunting bullet? Thanks for any help. pell lake I think all the new versions of Ramshot powders are being made here in the USA by St Marks powder company in Florida. Does anyone get better velocity out of Retumbo. I heard Retumbo usually runs faster than H1000. Retumbo was designed expressly for the really large overbored cartridges such as the 7mm Remington Ultra Magnum, 300 Remington Ultra Magnum, 30-378 Weatherby Magnum, etc. 25-06 Remington (Berger Bullets Data) reloading data with 50 loads. My average velocity was 2954fps. blacked pprn I run N570 & 180s in my stw. ….

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