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A guide to the recoil from the cartridge, and an indicator of bullet penetration potential. The .30-06 Springfield (at 2.064 lbf-s) is considered the upper limit for tolerable recoil for inexperienced rifle shooters. [2] Chg: Propellant charge, in grains; Dia: Bullet diameter, in inches; BC: Ballistic coefficient, G1 model; L: Case length (mm)
Source(s): Accurate Powder [1] The .221 Remington Fireball (5.7x35mm), often simply referred to as .221 Fireball , is a centerfire cartridge created by Remington Arms Company in 1963 as a special round for use in their experimental single-shot bolt-action pistol , the XP-100 . [ 2 ]
The table below shows how the rounds compare. Note that reloading data for 160-grain (10 g) bullets for some of the cartridges is not available. This round was designed with an elastomer tip, so that the .308 designed would be safe for the tubular magazine of lever action rifles.
Components of a modern bottleneck rifle cartridge. Top-to-bottom: Copper-jacketed bullet, smokeless powder granules, rimless brass case, Boxer primer.. Handloading, or reloading, is the practice of making firearm cartridges by manually assembling the individual components (metallic/polymer case, primer, propellant and projectile), rather than purchasing mass-assembled, factory-loaded ...
[5] [6] Reloaders have a variety of bullets to choose from, and Hornady lists load data for the cartridge. [4] Reloaders should be aware of whether their rifle does, or does not, have freebore before using load data developed with more modern components. [7] Cases can also be formed from 7mm Remington Magnum cases. [8]
The .30-06 is significantly more powerful in its 165-180 grain loads, especially when handloads or factory loads with bullets of good BC are used. However, Remington lists its .30-06 150-grain PSP as retaining 1,445 fpe at 300 yards, while listing its 140-grain 7mm-08 PSP with 1490 fpe at the same distance.
According to Guns & Ammo magazine, Performance is on a par with the 10 mm, yet pressures are much milder. Factory ammo is loaded to +P .45 levels, but the lighter bullet weights make recoil comparable to .45 hardball loads. Felt recoil is a little sharper but still very controllable. [5]
Ammunition is handloaded, using modified parent cases and the gunsmith-provided wildcat dies. Generally, the supplier of the barrel or dies will also provide the buyer with basic reloading data, giving a variety of powders, charge weights, and bullet weights that can be used for developing loads.