It features a nitride-coated receiver and 20-inch stainless cut-rifled barrel — exactly what the 7mm Backcountry is intended for. The bolt is finished in Geissele’s Nanoweapon coating ...

Often marketed online as “solvent traps,” devices used to clean gun barrels, these filters have specific part numbers. Listed as the Napa4003 or Wix24003, the filters in question look a lot ...

The action is smooth and fast. I have found that 20-inch barrels (in this gun and others) can be finicky in terms of what ammo they like, but once you find the right load, this gun will deliver.

Samples of AISI 420 martensitic stainless steel with dimensions of 0.2 cm in thickness and 2 cm in diameter, and a composition (wt.%) of 12.64 Cr, 0.22 C, 0.32 Mn, 0.03 S, 0.33 Ni, 0.44 Si, 0.03 P, ...

Multiple coating strategies have been developed using carboxybetaine (CB), sulfobetaine (SB), and 2-methacryloyloxyethyl phosphorylcholine (MPC) zwitterionic polymers applied to the metals and ...

Federal has optimized the powder charge for the best performance in common lever gun barrels, with initial adverts indicating the ammunition will produce 1,200 fps at the muzzle. Federal Premium ...

Department of Mechanical Engineering, North Carolina Agricultural and Technical State University, Greensboro, North Carolina 27411, United States ...