WebThe below Berger Twist Rate Stability Calculator allows you to identify what the optimal twist rate and the marginal twist rate is for any given bullet given your shooting conditions. This tool allows you to figure out which bullets will stabilize out of your rifle given your rifle’s twist rate. This tool also helps you to identify which ... WebThis 100 grain 25 caliber HPBT MatchKing® bullet #1628 has been designed with the characteristic MatchKing® quality features, a thin jacket for concentricity and uniformity, …
Berger Bullets Reloading Data Pdf Download
WebThe 257 weatherby shares the same cases as the 7mm and .270 Weatherby. All these rounds are from the same manufacturer hence the similarity in their casings. This magnum round, however, is shortened and … Web.257 Weatherby Magnum - Published Manufacturer Loading Data. Shellholders: Hornady #5 flames cancelled games
Does anyone have a Sierra book ? I need a 257 WBY Load.
WebNov 23, 2024 · Scrumbag. May 16, 2024. #1. Hi folks, I have had good luck shooting the Speer 120gr SPBT bullet in my 257 Roberts. It runs about 2850 fps, tracks nicely and works well on deer. Those 120gr SPBT bullets are becoming increasingly hard to come by. I am wondering about changing to the 110gr Sierra Gamechanger / Tipped Game King / TGK. WebDec 18, 2011 · I do know the Weatherby's are freebored, so realistically, I will stick to the COL listed in the load data, to make sure it fits the mag & feeds properly. Dec 5, 2011 #2 J. Jerry M ... I do see IMR 4831 as an accuracy powder in the 257 Weatherby Mag load for data, for certain weights -mostly the lighter bullets. Once I have ... WebDescription.257 Weatherby Magnum 100 Grain Barnes TTSX~ The .257 Weatherby Magnum is a .257 Caliber (6.35 mm) belted bottlenecked cartridge.It is one of the original standard length magnums developed by shortening the .375 H&H Magnum case to approx. 2.5 in (64 mm). Of the cartridges developed by Roy Weatherby in 1944, the .257 Weatherby … flames cake decorations