EM-2 rifle
Videos
The EM-2, also known as Rifle, No.9, Mk.1 or Janson rifle, was a British assault rifle. It was briefly adopted by British forces in 1951, but the decision was overturned very shortly thereafter by Winston Churchill's incoming government in an effort to secure NATO standardisation of small arms and ammunition. It was an innovative weapon with the compact bullpup layout, built-in carrying handle and an optical sight.
The EM-2 as Rifle No. 9
Thorpe EM-1 rifle.
EM-2 being fired
Pictured left to right are the SA80-A2, XL 60 and EM-2
7.62×51mm NATO
Videos
The 7.62×51mm NATO is a rimless, straight walled, bottlenecked rifle cartridge. It is a standard for small arms among NATO countries.
.50 BMG, .300 Winchester Magnum, 7.62 NATO, 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