| Heckler & Koch SL7 | |
|---|---|
Heckler-Koch SL7 rifle with 10-round magazine
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| Type | Semi-automatic rifle |
| Place of origin | Germany |
| Production history | |
| Manufacturer | Heckler & Koch |
| Produced | 1980s - 1991 |
| Variants | H&K SL6, H&K 770 |
| Specifications | |
| Mass | 8.36 pounds (3.6 kg) unloaded |
| Length | 39.76 in (1010 mm) |
| Barrel length | 17.71 in (450 mm) |
| Cartridge | .308 Winchester, 7.62×51mm NATO |
| Action | Roller-delayed blowback |
| Rate of fire | Semi-automatic |
| Feed system | 3 or 10-round single column, detachable box magazine |
| Sights | Rotary rear aperture drum, hooded foresight |
The Heckler & Koch SL7 is a roller-delayed blowback operated sporting carbine made by Heckler & Koch. It was chambered in 7.62×51mm NATO caliber and designed and marketed throughout the world as a hunting/utility rifle.[1]
Unlike the roller-delayed blowback military Heckler & Koch rifles the cocking handle is situated far more rearward and on the right side and features a camming system to help overcome the initial friction exerted by the "bolt head locking lever" anti-bounce mechanism that prevents the bolt from bouncing off the barrel's breech surface.
The SL7 is no longer manufactured, having been replaced by the Heckler & Koch SLB 2000.
The HK 770, a hunting rifle 7.62×51mm NATO/.308 Winchester variant of the Heckler & Koch SL7, lacked the wooden handguard of the SL7 and was equipped with a longer barrel with integral flash hider/compensator slots at the end of the barrel, open rear leaf sights, and sporting-style buttstock.[2]
The HK 940, a hunting rifle long action variant of the Heckler & Koch SL7, designed for using cartridges exceeding the 7.62×51mm NATO/.308 Winchester 2.8 in (71.12 mm) overall length like the .30-06 Springfieldor7×64mm and lacked the wooden handguard of the SL7 and was equipped with a longer barrel with integral flash hider/compensator slots at the end of the barrel, open rear leaf sights, and sporting-style buttstock.[3]
The Heckler & Koch SL6 is similar in appearance to the Heckler & Koch SL7, but is chambered for the 5.56×45mm NATO.[4]
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| Lever delayed |
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| Roller delayed |
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| Gas delayed |
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| Hesitation locked |
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| Flywheel delayed |
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| Radial delayed |
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| Toggle delayed |
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| Vector delayed |
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