ribbed rifling
1M16 rifle — Rifle, 5.56 mm, M16 From top to bottom: M16A1, M16A2, M4A1, M16A4 Type Assault rifle Place  …
2Colt Canada C7 rifle — C7 rifle Diemaco C7A1 Assault Rifle Type Assault rifle Place of origin …
3cut — Synonyms and related words: AWOL, French leave, Parthian shot, Platonic form, Platonic idea, Spartan, Vandyke, abandon, abate, abatement, abbreviate, abbreviated, abrade, abrasion, abridge, abridged, abscind, abscondence, absence, absence without …
4slit — Synonyms and related words: abrade, abysm, abyss, aggravated, amputate, aperture, arroyo, ax, bark, bezel, bisect, blemish, bloody, box canyon, breach, break, breakage, broach, broken, burn, burned, burst, busted, butcher, canal, canaliculate,… …
