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The .22 Winchester Magnum Rimfire was the logical parent case, rather than the 5mm RMR (with its unique case head size, which requires a significantly different bolt and magazine) because it was commonly available, and it is a far larger and stronger case than the next largest, the .22 Long Rifle. The .17 caliber wildcats not only met but far ...
For example, a bolt with an outside diameter (OD) of 0.697 inches which is operating in a receiver with a bolt raceway inside diameter (ID) of 0.702 has a clearance of 0.005 inches. If the bolt OD has a nominal OD of 0.698 and a tolerance of +/- 0.001, then the bolt OD can randomly vary from 0.697 to 0.699 along its length, which will allow the ...
Straight-pull rifles differ from conventional bolt-action mechanisms in that the manipulation required from the user in order to chamber and extract a cartridge predominantly consists of a linear motion only, as opposed to a traditional turn-bolt action where the user has to manually rotate the bolt for chambering and primary extraction.
Browning Arms Company (originally John Moses and Matthew Sandefur Browning Company) is an American marketer of firearms and fishing gear. The company was founded in Ogden, Utah , in 1878 by brothers John Moses Browning (1855–1926) and Matthew Sandefur Browning (1859–1923).
Falling-block action military rifles were common in the 19th century. They were replaced for military use by the faster bolt-action rifles, which were typically reloaded from a magazine holding several cartridges. [2] A falling-block breech-loading rifle was patented in Belgium by J. F. Jobard in 1835 using a unique self-contained cartridge. [3]
The overall length of a Model 1885 with a 28-inch barrel [3] is the same basic length as a Winchester bolt-action Model 70 with a 24-inch barrel. With a longer barrel, bullet velocities can be significantly increased over bolt-action rifles that have the same overall length, provided the proper combination of bullet and propellant is selected.
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The Winchester made Model 70 in .223 WSSM has not been revived in the new Browning-made Winchester Model 70s, but Browning has chosen to use chrome-lined barrels on all of its guns chambered for .223 WSSM and has introduced the .223 WSSM cartridge as a chambering in its A-bolt rifles. Browning rejects the charge that the .223 WSSM round is ...