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Length of pull (sometimes abbreviated as LOP) is the distance from the trigger to the part of a rifle or shotgun which fits against the shoulder of the shooter. Length of pull is an important ergonomic factor for ease of use; and optimum length of pull may vary with the size of the shooter, the thickness of chest clothing and body armor being ...
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)
M16 type rifles are currently made in 5.56×45mm NATO, 6.8×43mm SPC and .300 AAC Blackout caliber. [309] AK-47 type rifles are currently made in 7.62×39mm, 5.45×39mm and 5.56×45mm NATO. [204] The 7.62mm NATO SR-25 and M110 are based on the original AR-10, but feature additional refinements to maximize parts commonality with the M16. [310]
The Model 34 is a conventional bolt-action, tube fed rifle. Though conventional in layout and design, the Model 34 and 341 feature a patented lifter mechanism that presents cartridges to the chamber without the bullet touching rear of the chamber. This prevents damage to the bullet and conceivably increases accuracy potential. [3]
The 7mm Shooting Times Westerner, sometimes referred to as the 7mm STW, began as a wildcat rifle cartridge developed by Layne Simpson, Field Editor of Shooting Times, in 1979. [3] It is an 8mm Remington Magnum case that has been "necked down" (narrowing the case opening) by 1 mm to accept 7 mm (.284 in) bullets.
Higher muzzle velocity extends the effective range of a rifle, everything else being equal. The M200 CIV version was a marginally de-rated Mil Spec M200 with a 500 yard shorter effective range, this version was soon discontinued, and the 29 inch fully accurized version is the only version available for sale.
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The .700 Nitro Express (17.8×89mmR) is a big-game rifle cartridge.The cartridge is typically charged with around 250 grains of powder, in addition to a two-grain igniter charge (to reduce the tendency of the cartridge to hang fire from such large powder charges). [3]