Physical
The physical qualities of the Heckler & Koch HK XM8. Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.
838 mm
32.99 in
O/A Length
318 mm
12.52 in
Barrel Length
7.50 lb
3.40 kg
Weight
Gas-Operated; Rotary Locking Bolt
Action
5.56x45mm NATO
Caliber(s)
30-round detachable box magazine
Feed
Reflex Sight
Sights