Heckler & Koch MR308 A3-28 (G28) "16.5 .308 Winchester RAL8000

General 

Caliber

7.62 mm x 51 NATO

Operating principle

indirect gas-operated weapon

Bolt system

Locked rotating bolt head

Feed mechanism

Magazine

Cartridge case ejection

Right

Modes of fire

Single fire

Trigger pull

25 - 32 N

Muzzle velocity

780 m/s

Muzzle energy

2950 J

Barrel profile/Twist

Groove/land profile, 4 grooves, right-hand twist

Sights

Mech. dioptre sight, foldable

Max. effective Range

approx. 600 m

Magazine capacity

10 / 20 cartridges

Accurate suppressive fire

approx. 1000 m

Pattern of shot (100 m)

1.5 MOA (< 45 mm) with 10 rounds of accuracy ammunition

Dimensions

Length, min.

965 mm

Length, max.

1080 mm

Width

78 mm

Height

200 mm

Barrel length

16.5" (419.1 mm) 

Sight radius

545 mm

Buttstock adjustment travel

122 mm

Buttstock adjustment travel

67 mm, 4 locking positions

Buttstock cap adjustment travel

42 mm

Cheek rest adjustment travel

16 mm

Height (with accessories)

340 mm

Weight

Weapon

5800 g

Magazine, 10 rounds (empty)

110 g