7.62×51mm NATO
Videos
The 7.62×51mm NATO is a rimless, bottlenecked, centerfire rifle cartridge. It is a standard for small arms among members of the North Atlantic Treaty Organisation.
Unfired 7.62×51mm NATO round (B) next to three recovered bullets, showing rifling marks (A)
.50 BMG, .300 Winchester Magnum, .308 Winchester, 7.62×39mm, 5.56 NATO, and .22 LR
Service rifle cartridges loaded with projectiles: (left to right) 7.62×54mmR, 7.62×51mm NATO, 7.62×39mm, 5.56×45mm NATO, 5.45×39mm
7.62×51mm NATO cartridge case ejection from a British L129A1 Sharpshooter Rifle after firing L59A1 "High Performance" ammunition featuring a 10 g (155 gr) bullet
EM-2 rifle
Videos
The EM-2, also known as Rifle, No.9, Mk.1 or Janson rifle, is a British assault rifle. It was briefly adopted by British forces in 1951, but the decision was overturned very shortly thereafter by Wins
A field-stripped EM-2
Thorpe EM-1 rifle.
EM-2 being fired
Pictured left to right: SA80-A2, XL 60 and EM-2