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 ...

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× ...

But to ensure you win most of your gunfights and to utilize the Grau 5.56 assault rifle better, you must know about its best attachments and perks. This is where our guide comes in handy as we ...

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 ...