IMR 4451 – IMR already had powder named “IMR 4350” with a similar burn rate to Hodgdon’s H4350, but it lacked temperature stability. That sounds like faint praise, but my spin is the .270 Win. Velocity consistently averages 2988. Over 70% of the top PRS shooters load their ammo with H4350 (see the data). A relative Burn Rate Chart can be found here. However, even with the two loads using the exact same bullet are compared, that additional 270 feet per second of muzzle velocity still makes a big difference at ranges past 300 yards. So, almost by default, the .270 Win. and 270 Win., as well as 6.5mm target loads and tactical applications where temperature stability is required. is good for game up to … The 300 Win mag has been around for over 50 years and continues to … When loaded with IMR 4350, the slowest-burning powder available at the time, the .270 Wby. These days far slower powders exist, but the 6.5-300 is still somewhat “touchy” (the word used by Hodgdon’s Ron Reiber when he sent me the newly developed 6.5-300 loading data). CARTRIDGE: 30-06 • CASE: W-W PRIMER: WLR • BULLET: 165 gr. This load, from the Hodgdon Reloading Data Center, uses 46.0 grains of IMR 4350 powder. was not a lot faster than the .270 Win. The US distributor for Lovex powders is Shooter’s World, however they do not use Lovex’s naming convention. Mag. Their ballisticians tested the same powder charge (43.2 grains) using the same bullet (143-grain FMJ) loaded in the 308 Winchester - they used IMR 4350 performance as a reference. F 47,800 CUP 47,800 CUP 50,900 … is so good and so popular that there hasn’t been room—or need—for a spate of .277 cartridges. 웹 해킹 - 웹 페이지 관련 구성 파일 이름목록 .php cgi-bin admin images search includes .html cache wp-admin plugins modules wp-includes login themes templates index js xmlrpc wp-content media tmp lan.. Mag | 308 Win. I include it to illustrate what the 7mm-08 can do with maximum bullet weights. Hornady SP POWDER H4350 RELODER 19 IMR 4350 VIT N550 AA 4350 Pressure 70 Deg. Bergara B-14 ridge, bedded with devcon, vortex pst Viper 2: 5-25X50, American arms lil bastard 3rd gen brake. Average velocity: 3100fps Hornady GMX 180gr, 73.7 gr IMR 7828ssc, same brass and primers. As you see, many of the IMR Powders can be used for pistol and rifle loads. So they designed IMR 4451 to burn in the same cartridges AND be more temperature stable. During that time, Hodgdon has modernized H4350 by shortening the grains for improved metering and making it insensitive to hot and cold temperatures. elk and moose) at reasonable ranges. For Rifle: SR 4759, IMR 4227, IMR 4198, IMR 3031, IMR 4064, IMR 4895, IMR 4320, IMR 4350, IMR 4831 and IMR 7828. H4350 is an extruded propellant in our Extreme series that has been one of our most popular powders with shooters for decades. | 22-250 Rem. when both were loaded to the same chamber pressure. Hornady GMX 150gr, 71.5 GR IMR 4350, NOSLER fire formed brass, CCI #215 PRIMERS. This makes it ideal for traditional hunting cartridges such as 30-06 Spring. IMR stood originally for "Improved Military Rifle" and the powders were used very extensively in them. 270 IMR Enduron Powder Loads ... As always each rifle will react differently to the same load. The velocity, energy and high SD of this load makes it capable on heavy animals (e.g. When Roy Weatherby developed his first magnums, the slowest-burning powder available to handloaders was IMR 4350, and it is far too fast burning for the 6.5-300. Shooters World Powders are listed under the Distributor list, and the Lovex equivalency can either be found on the data sheet for the specific powder or the Relative Burn Rate chart. The .270 Win. F 47,300 CUP 47,200 CUP 51,400 CUP 50,100 CUP 47,100 CUP Pressure 125 Deg. top 10 most popular hanging light with lamp shade list and get free shipping ACTUAL DATA COMPARING EXTREME SPREADS 30-06 | 300 Win. The Reloder 16 burn rate is slightly faster than that of Reloder 17, well within the 4350 burn speed band. is the best non-magnum .270. Roy Weatherby introduced his first big-game cartridge, the .270 Weatherby Magnum, in 1943 and began offering handloaded ammunition in 1945.
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