Search results

...e"] www.HKPRO.com</ref>. HK's innovation of polymer frames and [[polygonal rifling]] seem to have been influential in the Glock design. Still earlier, [[Remin ... late Gale MacMillan) that because of the specific design of the polygonal rifling in the Glock pistol, operators should not shoot non-jacketed lead ammunitio

... weight, shape, and seating depth to ensure that thet correctly engage the rifling, exit the barrel at a consistent velocity, and fly straight. Buying bullet ...surface of the bullet should ideally be seated as close as possible to the rifling. Since it is bearing surface that matters here, it is important that the b

...0|VP70]] pistol in 1970. Heckler & Koch also developed modern [[polygonal rifling]], noted for its high accuracy and increased muzzle velocity and barrel lif

...imparts a spin on the bullet, which keeps it from tumbling in flight. The rifling is usually in the form of sharp edged grooves cut as helixes along the axis ...used in most competition firearms, however, so the advantages of polygonal rifling are unproven.

...of grooves ("rifling") cut into the barrel walls. The raised areas of the rifling grooves are called "lands," which make contact with the projectile (for sma ... to a perceived increase in accuracy, although no-one knows for sure. True rifling dates from the mid-15th century, although the precision required for its ef

[[Image:Canon rayé première guerre mondiale img 1967.jpg|thumb|Rifling of a Canon de 75 modèle 1897]] '''Rifling''' refers to helix-shaped pattern of grooves and lands that have been forme

...h twist. [[Marlin Firearms]] use a distinctive 16-groove ''Micro-Groove'' rifling in many of their firearms, while the [[M1903 Springfield rifle]] had two, f ...ch that some police agencies have forbidden the use of weapons with such [[rifling]] in order to match accurately after the fact just which gun fired which bu

<font color="#65B965"> '''CENTER IMAGE:'''</font> [[Rifling|Rifled]]<br/> <font color="#B98888"> '''RIGHT IMAGE:'''</font> [[Polygonal rifling|Polygonal]]]]