Though some sporting .223 Rem. production rifles still have slow-twist barrels, most gun makers have adopted 1:7 or 1:8 to accommodate a wider variety of bullets. Because traditional twist rates are ...

223 ammo test. If you want to fire 5.56 NATO ammo through your .223 chamber, proceed carefully and watch for any excessive pressure signs. If you’re buying a new gun or barrel, you can eliminate ...

The M249 Squad Automatic Weapon, or SAW, is an individually portable, gas operated, magazine or disintegrating metallic link-belt fed, light machine gun with fixed headspace and quick change ...

For illustrative purposes. (Janes/ Amael Kotlarski) Heckler & Koch (H&K) is currently developing a 5.56×45 mm version of the HK421 light machine gun (LMG), which is currently chambered in 7.62× ...

The M855A1, a 5.56 mm Ball ammunition, is an enhanced performance round for today’s combat and training environments. It works with the M4 Carbine, the M249 machine gun, and the H&K and M16A2 ...

Historically, the plant has produced 5.56 mm, 7.62 mm, .50 Browning Machine Gun, and 20 mm ammunition. Manufacturing equipment produces 5.56 mm ammo at the Lake City Army Ammunition Plant in ...