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At a glance
Measured figures
collapsed
Single source34.5 in (876.3 mm) collapsed[source]
Length · source measurement 1
Single sourceConfiguration
| Specification | Barrett REC10 | Heckler & Koch HK433 |
|---|---|---|
| Type | Designated Marksman Rifle[source] | Assault rifle Carbine[source] |
| Place of origin | United States[source] | Germany[source] |
| Manufacturer | Barrett Firearms Manufacturing[source] | Heckler & Koch[source] |
| Calibre | .308 Winchester / 7.62×51mm NATO[source] | — |
Length · source measurement 2
Single sourceLength · 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]
Effective; Effective firing range
Single source500 m (550 yd)[source]
Barrel length · source measurement 1
Single sourceBarrel length · source measurement 2
Single sourceBarrel length · source measurement 3
Single source280 mm (11 in) 368 mm (14.5 in) 419 mm (16.5 in)[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.
| Action |
|---|
semi-automatic[source] Direct impingement; semi-automatic[source] |
Gas-operated short-stroke piston , rotating bolt[source] |
| In service | — | 2024–present[source] |
|---|
| Wars | — | Russo-Ukrainian war[source] |
|---|
| Designer | — | Heckler & Koch[source] |
|---|
| Designed | — | 2017[source] |
|---|
| Cartridge | — | 5.56×45mm NATO (HK433) .300 AAC Blackout (HK437)[source] |
|---|
| Feed system | — | 30-round detachable STANAG magazine[source] |
|---|
| Sights | — | Iron sights and Picatinny rails for various optics[source] |
|---|
| Reported operators |
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