7.62x51
Case type Rimless, Bottleneck
Bullet diameter 7.82 mm (0.308 in)
Neck diameter 8.58 mm (0.338 in)
Shoulder diameter 11.35 mm (0.447 in)
Base diameter 11.84 mm (0.466 in)
Rim diameter 11.94 mm (0.470 in)
Rim thickness 1.27 mm (0.050 in)
Case length 51.05 mm (2.010 in)
Overall length 69.85 mm (2.750 in)
Rifling twist 1:12"
Primer type Large Rifle
Maximum pressure 344.74 MPa (50,000 psi)
Military Cartridge Types
* Cartridge, Grenade, L1A1 (United Kingdom): 7.62x51mm grenade launching cartridge with one subvariant (L1A2) with unknown differences.
* Cartridge, Ball, L2A1 (United Kingdom): 7.62x51mm ball cartridge, with three subvariants (A2-A4) with unknown differences.
* Cartridge, Tracer, L5A1 (United Kingdom): 7.62x51mm tracer cartridge, designed to last out to 1000 meters. Four subvariants exist, with brighter ignition (A2), tracer reduced to 750 meters (A3), with a pistol powder charge (A4), and with improved ballistics (A5).
* Cartridge, Caliber 7.62mm, NATO, Ball, F4 (Australia): 144-grain 7.62x51mm NATO ball cartridge. Australian equivalent to U.S. M80 round. In service with the Australian Defence Force.
7.62mm, NATO, Tracer, M62: 142-grain tracer cartridge.
7.62mm, NATO, Tracer, M62: 142-grain tracer cartridge.
* Cartridge, Caliber 7.62mm, NATO, Ball, M59 (United States): 150.5-grain 7.62x51mm NATO ball cartridge. A further development of the initial T65 cartridge.
* Cartridge, Caliber 7.62mm, NATO, Armor Piercing, M61 (United States): 150.5-grain 7.62x51mm NATO armor piercing round, black cartridge tip.
* Cartridge, Caliber 7.62mm, NATO, Tracer, M62 (United States): 142-grain tracer cartridge, orange cartridge tip.
* Cartridge, Caliber 7.62mm, NATO, Grenade, M64 (United States): 7.62x51mm NATO grenade launching blank.
* Cartridge, Caliber 7.62mm, NATO, Ball, M80 (United States): 146-grain 7.62x51mm NATO ball cartridge.
* Cartridge, Caliber 7.62mm, NATO, Match, M118 (United States): 173-grain 7.62x51mm NATO Full Metal Jacket Boat Tail round specifically designed for Match purposes. Introduced in 1968 as XM118, standardized in 1970 as M118. Produced at Lake City Army Ammunition Plant.
* Cartridge, Caliber 7.62mm, NATO, Ball, Special, M118 (United States): 173-grain 7.62x51mm NATO Full Metal Jacket Boat Tail round specifically designed for match purposes. Produced by Lake City Army Ammunition Plant. This is an interim match round which utilized M80 ball brass with the 173-grain FMJBT bullet. During this period in the early to late 1980s the performance of the round declined. Powder, primer, brass, bullets were no longer produced in matching lots.
* Cartridge, Caliber 7.62mm, NATO, Ball, Special, M118LR (United States): 175-grain 7.62x51mm NATO Hollow Point Boat Tail round specifically designed for long-range sniping. Produced at Lake City Army Ammunition Plant.
* Cartridge, Caliber 7.62mm, NATO, Duplex, M198 (United States): 7.62x51mm NATO duplex round with two 84-grain bullets. The developmental designation was T314E3.
* Cartridge, Caliber 7.62mm, NATO, Tracer, M276 (United States): 7.62x51mm NATO so-called "Dim Tracer" with reduced effect primarily for use with night vision devices, green cartridge tip with pink ring.
* Cartridge, Caliber 7.62mm, NATO, Match, M852 (United States): 168-grain 7.62x51mm NATO Hollow-Point Boat-Tail cartridge, specifically designed for use in National Match competitions, later approved by US Army JAG for combat use by snipers.
* Cartridge, Caliber 7.62mm, NATO, Saboted Light Armor Penetrator, M948 (United States): 7.62x51mm NATO Saboted Light Armor Penetrator cartridge.
* Cartridge, Caliber 7.62mm, NATO, Armor Piercing, M993 (United States): 126.6-grain 7.62x51mm NATO armor piercing round, black cartridge tip.
Tu masz nawaĹźki w granach, nie ma co prawda masy pocisku ale jako, Ĺźe to zestandaryzowany nabĂłj wiÄc moĹźe indziej znajdziesz... np do M80 moĹźna w normie NIJ 1001.04
http://en.wikipedia.org/wiki/7.62x51