Heckler & Koch SL8-6 .223 Rem. Semi-Automatic Rifle – Black Polymer, 20.8" Free-Floating Match Barrel, German-Made
The SL8-6 is HK’s precision-oriented civilian variant of the legendary G36, offered here in the scarcer black finish with factory heavy stainless match barrel and full-length top rail. Built in Germany and proof-marked at Ulm, this rifle blends HK’s short-stroke gas piston reliability with glass-fiber-reinforced polymer construction, delivering a lightweight yet highly stable platform for accurate shooting.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent – Clean, mirror finish, no signs of wear.
Rifling Condition: Excellent Rifling – Sharp lands and grooves.
Specific Condition Notes: Minor superficial scratches and small exterior blemishes are present but do not affect function or performance.
What’s Included
- 4× 20-round magazines (polymer ProMag and translucent HK factory)
- 2× 10-round magazines
- Detachable polymer vertical foregrip
- HK-branded tool set
- Accessory pouches for carry case
- HK-branded soft rifle case
- HK SL8 operator’s manual
The SL8-6 stands out for its cold hammer-forged, chrome-lined 20.8" heavy barrel that is free-floating for consistent point of impact. Owners regularly report sub-MOA groups when matched with quality ammunition.
HK’s short-stroke gas piston system keeps fouling out of the receiver and offers smooth, reliable cycling. The ambidextrous folding charging handle and manual safety selector make the rifle user-friendly for both right- and left-handed shooters.
The polymer thumb-hole stock features an adjustable cheekpiece and removable butt-spacer system, allowing a custom length of pull. Combined with the match trigger, the configuration encourages precise shot control.
A full-length Picatinny top rail comes installed from the factory, ready for optics or night-vision devices. The polymer handguard with elongated cooling slots accepts the included vertical foregrip and keeps barrel heat away from the support hand.
Produced in smaller numbers than the earlier gray SL8-1, this black SL8-6 offers both collectibility and modern performance in the same package.