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BSmall arms
At a glance
Heckler & Koch HK433larger figure on 0 of 1
Mk 13 riflelarger figure on 1 of 1
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Length · source measurement 1
Single sourceLength · source measurement 2
Single sourceConfiguration
| Specification | Heckler & Koch HK433 | Mk 13 rifle |
|---|---|---|
| Type | Assault rifle Carbine[source] | — |
| Place of origin | Germany[source] | — |
| In service | 2024–present[source] | 2001–present[source] |
| Wars | Russo-Ukrainian war[source] | War in Afghanistan Iraq War[source] |
| Designer | Heckler & Koch[source] |
Length · source measurement 3
Single source577–843 mm (22.7–33.2 in) (11") 634–931 mm (25.0–36.7 in) (14.5") 703–971 mm (27.7–38.2 in) (16.5")[source]
Length
Single source1207 mm (47.5")[source]
Rate of fire
Single source850 rounds/min[source]
11" barrel
Single source14.5" barrel
Single source16.5" barrel
Single source800 m/s (2,600 ft/s) (11" barrel) 850 m/s (2,800 ft/s) (14.5" barrel) 875 m/s (2,870 ft/s) (16.5" barrel)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Accuracy International / Remington Arms[source] |
| Designed | 2017[source] | — |
|---|
| Cartridge | 5.56×45mm NATO (HK433) .300 AAC Blackout (HK437)[source] | .300 Winchester Magnum[source] |
|---|
| Action | Gas-operated short-stroke piston , rotating bolt[source] | Bolt action[source] |
|---|
| Feed system | 30-round detachable STANAG magazine[source] | 5-round magazine (MOD 5)[source] |
|---|
| Sights | Iron sights and Picatinny rails for various optics[source] | Nightforce Advanced Tactical Riflescope[source] |
|---|
| Manufacturer | Heckler & Koch[source] | Accuracy International[source] |
|---|
| Used by | — | United States[source] |
|---|
| Variants | — | Mk 13 MOD 5 Mk 13 MOD 7[source] |
|---|
| Calibre | — | .308[source] |
|---|
| Country of origin | — | United Kingdom[source] |
|---|
| Reported operators |
| — |
|---|