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Winchester Super-X .270 Winchester 150-Grain Power-Point Rifle Ammunition 20 Rounds

$26.99

Category: Product ID: 1651

Description

270 Winchester ammo l 270 Winchester Ammo In stock 2023

The 270 Winchester AmmoAmmo is a rifle cartridge developed by Winchester Repeating Arms Company in 1923 and unveiled in 1925 as a chambering for their bolt-action Model 54 to become arguably the flattest shooting cartridge of its day, only competing with the .300 Holland & Holland Magnum, also introduced in the same year.

Winchester Super-X .270 Winchester 150-Grain Power-Point Rifle Ammunition

As the .280 Remington, and the .30-06 Springfield, the .270 Winchester Ammo derived from the .30-03 parent case and the bore diameter was likely inspired by 7mm Mauser. The .270 Winchester uses a .270 inch (6.86 mm) bore diameter and a .277 inch (7.04 mm) bullet diameter.

 

270 Winchester

HISTORY OF .270 WINCHESTER AMMO

The attained great popularity among hunters and sporting rifle enthusiasts along the succeeding decades and especially in the post-World War II period, ranking it among the most popular and widely used big game hunting cartridges worldwide especially with the widespread popularity of rifle scopes. Shooters started noticing that the .277″ caliber cartridge was capable of shooting flatter than the popular 30–06.

The cartridge was initially commercially loaded to drive a 130 grain (8.4 gram) bullet at approximately 960 m/s (3,140 ft/s), later reduced to 930 m/s (3,060 ft/s), demonstrating a high performance at the time of its introduction while being marketed as a suitable cartridge for big game shooting in the 270 to 460 metres (300 to 500 yd) range.

SPECIFICATION ON 270 WINCHESTER

Parent case .30-03
Bullet diameter .277 in (7.0 mm)
Land diameter .270 in (6.9 mm)
Neck diameter .308 in (7.8 mm)
Shoulder diameter .441 in (11.2 mm)
Base diameter .470 in (11.9 mm)
Rim diameter .473 in (12.0 mm)
Case length 2.540 in (64.5 mm)
Overall length 3.340 in (84.8 mm)
Case capacity 67 gr H2O (4.3 cm3)
Rifling twist 1 in 10 in (250 mm)
Primer type Large rifle
Maximum pressure (C.I.P.) 62,366 psi (430.00 MPa)
Maximum pressure (SAAMI) 65,000 psi (450 MPa

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Having the right Ammo Shop for your firearm is key to any successful hunting trip. Buy the Ammo you need at the price you want online with Buy Ammo
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