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Heckler & Koch SL6
Heckler & Koch SL6 with 10-round magazine
Type	Semi-automatic rifle
Place of origin	Germany
Production history
Manufacturer	Heckler & Koch
Produced	1980s-1991
Variants	SL6A2, SL7
Specifications
Mass	7.92 pounds (3.6 kg) unloaded
Length	39.76 in. (1010mm)
Barrel length	17.71 in. (450mm)
Cartridge	.223 Remington, 5.56×45mm NATO
Action	Roller-delayed blowback
Rate of fire	Semi-automatic or Select-fire (Semi, 2-round Burst) (SL6A2)
Feed system	3, 4, or 10-round single column, detachable box magazine
Sights	Rotary rear aperture drum, hooded foresight

The Heckler & Koch SL6 is a roller-delayed blowback operated sporting carbine made by Heckler & Koch. It was chambered in 5.56×45mm NATO. The design was originally based on the Heckler & Koch 630 hunting rifle and is essentially a shorter-barreled version of that rifle. It was marketed throughout the world as a hunting/utility rifle.

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.

Replacement

The Heckler & Koch SL6 is no longer manufactured, having been replaced by the Heckler & Koch SLB 2000.

Variants

The Heckler & Koch SL6A2 variant is essentially the same rifle; however, the SL6A2 includes a flash hider and offers a two-round burst selector.
The HK 630, a 5.56×45mm NATO/.223 Remington hunting rifle variant of the Heckler & Koch SL6, lacked the wooden handguard of the SL6 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.
The Heckler & Koch SL7 is variant chambered in 7.62×51mm NATO.

References

1. Kokalis, Peter G. (June 1985). "SL6/7: Expanded Roles for HK's Compact Carbines". Soldier of Fortune magazine.
2. The HK630 Cal. 5.56mm × 45
3. "Modern Firearms - civilian guns for self-defense, training and hunting - Heckler-Koch HK SL-6 SL-7 rifle". Archived from the original on 2008-11-12. Retrieved 2008-11-20.

External links

• HK SL6 at HKPro.com
• HK SL6
• HK SL7
• HK SL6 at Modern Firearms & Ammunition
• HK SL6, HK SL7 manual (German)
• HK 630, HK 770, HK 940 Instructions for use
• H&K SL-6 and SL-7 Rifles

v t e Delayed blowback firearms
Lever delayed	AA-52 Benelli B76 Cristóbal Carbine Danuvia 43M Dlugov FAMAS FN Five-seven FNAB-43 Garanin MAC-58 Sterling 7.62 ST Kinetics CPW TKB-517 AVB-7.62
Roller delayed	Calico M960 CEAM Modèle 1950 CETME Ameli CETME rifle CETME Model L Gerät 03 prototype HK G3 HK G41 HK MP5 HK P9 HK PSG1 HK MSG90 HK SR9 HK UCP HK21 HK33 HK43 HK SL6 HK SL7 MG 45 PTR 91F SIG 510 SIG MG 710 SRM Arms Model 1216 StG 45(M)
Gas delayed	Arsenal P-M02 Grossfuss Sturmgewehr Heckler & Koch P7 M-77B Steyr GB Volkssturmgewehr 1-5 Walther CCP
Hesitation locked	M50 Reising Remington Model 51 Remington Model 53 Remington R51 SIG MKMO
Flywheel delayed	Barnitzke machine gun MGD PM-9
Radial delayed	CMMG MkG
Toggle delayed	Schwarzlose machine gun T1E3 Model 32 semi-automatic rifle
Vector delayed	Jatimatic KRISS Vector

• 5.56×45mm NATO semi-automatic rifles
• Heckler & Koch rifles
• Roller-delayed blowback firearms