Cartridge: 45 ACP
Origin:  Germany
Type: Submachine gun
Manufacturer: Heckler & Koch
Weight: 5.4 lb (2.5 kg)
Length: 27.2 in (690 mm)
Barrel length: 8 in (200 mm)
Action: Blowback, closed bolt
Muzzle velocity: 935 ft/s (285 m/s)
Max range: 65 m
Feed system: 25-round detachable box magazine

Cartridge: 40 S&W
Origin:  Germany
Type: Submachine gun
Manufacturer: Heckler & Koch
Weight: 5.2 lb (2.3 kg)
Length: 27.2 in (690 mm)
Barrel length: 8 in (200 mm)
Action: Blowback, closed bolt
Muzzle velocity: 935 ft/s (285 m/s)
Max range: 100 m
Feed system: 30-round detachable box magazine

Cartridge: 5.56 x 45 mm NATO
Origin:  United States
Type: Selective-fire rifle
Manufacturer: Sturm, Ruger & Co.
Weight: 6 lb 6 oz lb (2.90 kg)
Length: 37.25 in (946 mm)
Barrel length: 13 in (330 mm) to 22.0 in (559 mm)
Action: Gas-operated, rotating bolt
Muzzle velocity: 3,240 ft/s (990 m/s)
Feed system: 5- to 30-round box magazine

Cartridge: 5.56 x 45 mm NATO
Origin: Israel
Type: Assault rifle

Manufacturer: Israel Military Industries

Weight: 8.27 lb (3.75 kg)

Length: 33 in (850 mm)

Barrel length: 13.1 in (332 mm)

Action: Gas-operated, rotating bolt

Muzzle velocity: 2,953 ft/s (900 m/s)

Effective firing range: 300-500 m

Feed system: 35-, 50-, or 65-round detachable box magazine

In 1974, H&K initiated design work on a sound-suppressed variant of the MP5, designated the MP5SD (SD—Schalldämpfer German for “sound suppressor”). The MP5SD2 is the second SD series variant, and features a built-in suppressor, a fixed stock, and an air-cooling carbined barrel, allowing for a high rate of fire. The weapon uses 9 x 19mm rounds in a 30-round box magazine.

Cartridge: 9x19mm Parabellum
Origin:  West Germany
Type: Submachine gun
Designer: Tilo Möller, Manfred Guhring, Georg Seidl, Helmut Baureuter
Manufacturer: Heckler & Koch
Weight: 3.10 kg
Length: 790 mm
Barrel length: 146 mm
Width: 60 mm
Height: 260 mm
Action: Roller-delayed blow back, closed bolt
Muzzle velocity: 285 m/s
Max range: 150 m
Feed system: 15- or 30- or 32- round detachable box magazine, 100-round Beta C-Mag drum magazine

Cartridge: 9x19mm Parabellum
Origin:  West Germany
Type: Submachine gun
Designer: Tilo Möller, Manfred Guhring, Georg Seidl, Helmut Baureuter
Manufacturer: Heckler & Koch
Weight: 2.8 kg
Length: 680 mm
Barrel length: 225 mm
Width: 50 mm
Height: 260 mm
Action: Roller-delayed blow back, closed bolt
Muzzle velocity: 400 m/s
Max range: 150 m
Feed system: 15- or 30- or 32- round detachable box magazine, 100-round Beta C-Mag drum magazine

Cartridge: 7.62 x 51 mm NATO
Origin:  United States
Type: General-purpose Machine Gun
Manufacturer: Saco Defense, U.S. Ordnance
Weight: 23.15 lb (10.5 kg)
Length: 43.5 in (1105 mm)
Barrel length: 22 in (560 mm)
Action: Gas-operated, short-stroke gas piston, open bolt
Muzzle velocity: 2,800 ft/s (850 m/s)
Effective firing range: 1,200 yd (1,100 m) (maximum effective range)
Feed system: Disintegrating belt with M13 Links

Cartridge: 5.56 x 45 mm NATO
Origin:  United States
Type: Light Machine Gun
Manufacturer: FN Herstal
Weight: 17 lb (7.5 kg)
Length: 40.75 in (1035 mm)
Barrel length: 18 in (465 mm)
Action: Gas-operated, open bolt
Muzzle velocity: 3,000 ft/s (915 m/s)
Effective firing range: 870 yd (800 m) (point target, 521 barrel)
Feed system: M27 linked disintegrating belt, STANAG magazine

Cartridge: 9x19mm Parabellum
Origin:  United States
Type: Submachine gun
Weight: 2.61 kg (5.75 lb) w/o magazine
Length: 730 mm (28.9 in ) (stock extended)
Barrel length: 10.5 in
Action: Blow back, closed bolt

Rate of Fire: 700-1000 round/min
Muzzle velocity: 396 m/s (1300) ft/s)
Max range: 100 m
Feed system: 20- or 32- round detachable box magazine

Cartridge: 9x19mm Parabellum
Origin:  West Germany
Type: Submachine gun
Designer: Tilo Möller, Manfred Guhring, Georg Seidl, Helmut Baureuter
Manufacturer: Heckler & Koch
Weight: 2.0 kg (4.4 lb)
Length: 325 mm (12.8 in)
Barrel length: 115 mm (4.5 in)
Width: 50 mm
Height: 210 mm (8.3 in)
Action: Roller-delayed blow back, closed bolt
Muzzle velocity: 375 m/s
Max range: 100 m
Feed system: 15- or 30- or 32- round detachable box magazine, 100-round Beta C-Mag drum magazine

Cartridge: 7.62x39mm M43
Origin:  Soviet Union
Designer: Mikhail Kalishnikov
Manufacturer: Izhmash
Weight: 4.3 kg (9.5 lb)
Length: 870 mm (34.3 in)
Barrel length: 415 mm (16.3 in)
Action: Gas-operated, rotating bolt
Firing rate: 600 rounds/min
Max range: 100–800m
Feed system: 30-round detachable box magazine, also compatible with 40-round box or 75-round drum magazines from the RPK
Sight system: Adjustable iron sights, 378 mm (14.9 in) sight radius

Cartridge: 5.56 x 45mm NATO
Origin:  West Germany
Type: Assault rifle
Manufacturer: Heckler & Koch
Weight: 3.65 kg
Length: 920 mm
Barrel length: 225 mm
Action: Roller-delayed blow back
Muzzle velocity: 950 m/s
Max range: 400 m
Feed system: 25-, 30-, or 40-round detachable box magazine
Sights: Rotary rear aperture drum, hooded foresight

Barrels: 1
Action: Blowback
Muzzle velocity: 400 m/s
Feed system: 20, 32, 40 and 50-round box magazines
Sight system: Iron sights

Cartridge: 7.62 x 51 mm NATO
Origin:  United States
Type: Medium Machine Gun
Designer: John M. Browning
Manufacturer: Browning
Weight: 31 lb (14 kg)
Length: 37.94 in (964 mm)
Barrel length: 24 in (610 mm)
Action: Recoil-operated/short-recoil operation
Muzzle velocity: 2,800 ft/s (850 m/s)
Effective firing range: 1,500 yd (1,400 m) (maximum effective range)
Feed system: 250-round belt

Cartridge: .50 BMG (12.7 x 99 mm NATO)
Origin:  United States
Type: Heavy Machine Gun
Designer: John M. Browning
Manufacturer: General Dynamics, Fabrique Nationale, U.S. Ordnance, and Manroy Engineering (UK)
Weight: 83.78 lb (38 kg), 127.87 lb (58 kg) with tripod and T&E
Length: 65.1 in (1,654 mm)
Barrel length: 45 in (1,143 mm)
Action: Short-recoil operation
Muzzle velocity: 2,910 ft/s (890 m/s)
Effective firing range: 2,000 yd (1,800 m)
Maximum firing range: 2,700 yd (2,500 m)
Feed system: Belt-fed

Cartridge: 5.45 x 39mm
Origin:  Soviet Union
Designer: Mikhail Kalishnikov
Manufacturer: Izhmash
Weight: 3.07 kg (6.8 lb)
Length: 943 mm (37.1 in)
Barrel length: 415 mm (16.3 in)
Action: Gas-operated, rotating bolt
Firing rate: 600 rounds/min
Max range: 100–800m
Feed system: 30-round detachable box magazine, also compatible with 40-round box or 75-round drum magazines from the RPK
Sight system: Adjustable iron sights, 378 mm (14.9 in) sight radius

Cartridge: 5.56x45mm
Origin:  United States
Type: Assault rifle
Manufacturer: Colt Defense
Weight: 5.9 lb (2.7 kg) empty
6.9 lb (3.1 kg) with 30 rounds
Length: 33 in (838 mm) (stock extended)
29.8 in (757 mm) (stock retracted)
Barrel length: 14.5 in (368 mm)
Action: Gas-operated, rotating bolt
Muzzle velocity: 2,900 ft/s (884 m/s)
Feed system: 30 round box magazine
or other STANAG Magazines.

Cartridge: 9x19mm Parabellum