Description Heckler & Koch machine gun parts. There are two HK 41 barrels in .308 caliber, both with threaded barrels, front sights and one with its removable flash hider. The other two barrels are from a HK 33 and have been de-milled with a cut. Two black composite stocks and one olive drab with springs. HK 41 front composite foregrip. Three, three position trigger packs, safe, semi-auto and full-auto. Two, two position stripped trigger packs, safe and semi-auto. Three bolt groups and three bags of pins and selector switches. Non-Gun, No FFL required and ships to buyers home. Condition: Good/Very good as demilled. Clean rifled bores. Barrel Length: 15.5″ 17.75″ Manufacturer: HK Caliber: .556 .308 Model: 33 41