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Winchester model 70 in 220 swift. Burris Signature 8x32x sn 2291115
Guns International #: 102214038 Seller's Inventory #:
Category: Winchester Rifles - Model 70 Pre-64 - Winchester Rifles - Bolt Action
Seller's Information
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Seller: meyek
Member Since: 7/20/09
First Name: mike
State: Kansas
Country: United States
Seller: Private Seller
Return Policy: 3 day inspection and return policy on used guns.
Payment Types Accepted: money orders, Cashiers Checks
Description:
The .220 Swift (5.56×56mmSR) is a semi-rimmed rifle cartridge developed by Winchester and introduced in 1935 for small game and varmint hunting. It was the first factory-loaded rifle cartridge with a muzzle velocity of over 1,200 m/s (4,000 ft/s).[3]
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The velocity of the cartridge ranges from 2,000 km/h (1,200 mph; 560 m/s; 1,800 ft/s) up to about 4,500 km/h (2,800 mph; 1,200 m/s; 4,100 ft/s). The Swift is a large-cased .224 caliber cartridge and bullet that was created for small game such as prairie dogs, groundhogs, marmots and other vermin (or "varmints" in the US). When introduced it was 1,400 ft/s (430 m/s) faster than its nearest varmint-hunting competitor, which was the .22 Hornet (also .224 caliber).[4] It was found to be an extremely accurate cartridge as well.[5] The .220 Swift remains the fastest commercial cartridge in the world, with a published velocity of 1,422 m/s (4,665 ft/s) using a 1.9 grams (29 gr) bullet and 2.7 grams (42 gr) of 3031 powder.[6]
Due to its very high velocity its bullet drop allows precise sighting to ranges out to 375 yd (343 m), and it is still considered an excellent cartridge for taking varmints by experienced Swift shooters.[citation needed]
The original factory load from Winchester provided a 48-grain (3.1 g) bullet launched at 1,200 metres per second (4,100 ft/s). Handloaders could marginally improve on this but only at maximum loads. The Swift can be loaded with light bullets to reach 1,300 m/s (4,400 ft/s).[7] In recent times 75-grain (4.9 g) .224" bullets have been developed for use in high velocity .22 caliber rifles for taking larger game and long-distance shooting. Heavier bullets perform best in rifles that have an appropriate rifling twist rate taking into consideration the diameter, length, and other physical properties of the projectile.
Wikipedia
SOLD
Rifle Caliber: .220 Swift
Manufacturer: Winchester
Model: 70
Serial Number: 291115
Condition: very good
Bore Condition: bright
Action: Bolt