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Heckler & Koch SL8-1 .223 Rem 20" Barrel Early H&K German Import *RARE Hensoldt Dual Optic* G36 Base
Guns International #: 103658071 Seller's Inventory #: 48-004533
Category: Heckler & Koch Rifles - Military Rifles - German
Seller's Information
When emailing or calling sellers direct, please mention that you saw their listing on GunsInternational.com
Seller: National-Armory
Member Since: 5/3/24
State: Pennsylvania
Zip: 15108
Country: United States
Phone: (724) 457-8060
Platinum Seller
Number of Active Listings: 83
Total Number of Listings: 112
Seller: FFL Dealer
Return Policy: 3 day inspection and return policy on used guns.
Payment Types Accepted: CREDIT CARD, MONEY ORDER, CASHIER'S CHECK, PERSONAL CHECKS
About Us: We are a large online and brick & mortar retailer near Pittsburgh, PA. We deal in new firearms as well as historical, classic, and vintage firearms. Ask us about C&R on applicable items! National Armory follows all local, state, and federal laws. It is the buyer's responsibility to know their laws before purchasing. Prices do not include shipping.
Description:
MANUFACTURER: HECKLER & KOCH
MODEL: SL8-1
VARIANT / CONFIGURATION: ORIGINAL GREY IMPORT WITH HENSOLDT DUAL OPTIC
YEAR MANUFACTURED: 1999 (KK DATE CODE)
COUNTRY OF ORIGIN: GERMANY
SERIAL NUMBER: 48-004533
ROLLMARKS: HK SL8-1 / KAL .223 REM / HECKLER & KOCH GMBH / MADE IN GERMANY
CALIBER: .223 REMINGTON
CAPACITY: 10+1 ROUNDS
BARREL LENGTH: 20.00"
BARREL FEATURES: COLD HAMMER FORGED / HEAVY PROFILE
MUZZLE / THREAD PITCH: TARGET CROWN
OPERATING SYSTEM: SHORT-STROKE GAS PISTON
ACTION: SEMI-AUTO
TWIST RATE: 1:12
TRIGGER: TWO-STAGE MATCH
WEIGHT (UNLOADED): 8.60 LBS
CONFLICT ORIGIN: POST-COLD WAR NATO RIFLE DEVELOPMENT
IRON SIGHTS: INTEGRATED SIGHT CHANNEL IN CARRY HANDLE
OPTIC: ORIGINAL HENSOLDT DUAL OPTIC (3X SCOPE + 1X REFLEX SIGHT)
UPPER: STEEL REINFORCED POLYMER RECEIVER
LOWER: HIGH-STRENGTH POLYMER
GRIP TYPE: INTEGRATED SPORTING THUMBHOLE STOCK
FIREARM FINISH: FACTORY GREY POLYMER
CONDITION: GOOD
ADDITIONAL FEATURES: ORIGINAL HENSOLDT DUAL OPTIC / G36 DERIVED OPERATING SYSTEM / G36 CONVERSION COMPATIBLE / FACTORY INTEGRATED CARRY HANDLE / HK MILITARY DESIGN LINEAGE / EARLY GERMAN IMPORT
WHAT’S INCLUDED: PISTOL, HENSOLDT DUAL OPTIC, 10 ROUND MAGAZINE, SLING
This Heckler & Koch SL8-1 is a serious-use precision rifle built from the same engineering DNA as the legendary G36 service rifle. Chambered in .223 Remington and manufactured in Germany, the SL8 platform delivers HK’s combat-proven piston reliability in a refined sporting configuration designed for accuracy, durability, and long service life. With its heavy cold hammer forged barrel and rigid polymer receiver structure, the SL8-1 is widely respected for exceptional consistency and precision performance.
Mechanically, the rifle uses HK’s short-stroke gas piston operating system — the exact same operating principle that powers the G36 platform. This system keeps carbon out of the action, runs cooler than traditional direct-impingement rifles, and is known for extreme reliability under hard use. Combined with the heavy-profile 20-inch barrel and rigid receiver construction, the SL8 produces excellent accuracy while maintaining the rugged durability expected from a German military-derived platform.
The ergonomic thumbhole stock and integrated chassis provide outstanding stability and recoil control. The design naturally positions the shooter for precision shooting with a solid cheek weld and straight recoil impulse. Controls are simple and robust, reflecting HK’s military design philosophy: dependable, efficient, and built to run without drama.
The true standout feature of this rifle is the original Hensoldt dual optic system. This factory optic setup combines a fixed 3X magnified combat optic with an integrated 1X reflex sight mounted on top, allowing the shooter to instantly transition between precision engagement and rapid close-range target acquisition. Manufactured by Hensoldt — the German optics house responsible for some of NATO’s most respected military optics — this system delivers outstanding clarity, rugged construction, and battlefield-proven durability. The dual-sight configuration was developed for military rifle systems and is rarely seen on civilian rifles today. Original SL8 rifles that retain their factory Hensoldt dual optic are significantly more desirable among collectors and shooters alike, making this rifle a standout example.
Another major draw of the SL8 platform is its direct lineage to the HK G36. Because the SL8 shares the same core operating system and receiver architecture, the platform has long been favored by enthusiasts as the foundation for G36-style conversions. With the appropriate components and compliance work, the SL8 can be converted into a G36-style configuration utilizing G36 stocks, handguards, and magazine systems. While this rifle remains in its original sporting configuration, its compatibility with the G36 ecosystem makes it an attractive starting point for shooters interested in building a civilian G36-style rifle.
For shooters who appreciate German engineering, piston-driven reliability, and the unique heritage of HK’s modern rifle designs, the SL8-1 offers a serious-use platform with real pedigree. Combined with the highly sought-after Hensoldt optic and the rifle’s G36 lineage, this example represents both an outstanding shooter and a desirable HK collectible.
***Please see pictures for condition and wear***
SHIPPING INFORMATION:
IF THE ITEM YOU PURCHASE IS C&R ELIGIBLE, WE WILL ACCEPT A C&R LICENSE
WE TRY TO SHIP FIREARMS THE SAME DAY PAYMENT/FFL IS RECEIVED.
WE SHIP TO ALL 50 US STATES
IF YOU WANT INSURANCE FOR THE FINALAMOUNT PLEASE SELECT “OTHER”
PAYMENT OPTIONS:
*MONEY ORDER
*CERTIFIED CHECK
*CASHIER’S CHECK
*CREDIT CARD (3% FEE)
*IF PAYING BY CHECK PLEASE MAKE CHECK OUT TO: NATIONAL ARMORY
Layaway is available on purchases of $749.99 and above, see Additional Terms of Sales for details.
PROCEDURES:
IF YOUON A GUN AND DECIDE TO CANCEL YOURWE ARE UNABLE TO DO THAT FOR YOU PER GUN ’S POLICY. IF THE ENDS AND NO OTHER BIDS HAVE COME IN ON THAT GUN AND YOU STILL DO NOT WANT IT YOU WILL BE SUBJECT TO A 20% RESTOCKING FEE
SALES TAX:
PURCHASES ARE SUBJECT TO SALES TAX FROM
STATE & LOCAL LAWS:
CHECK YOUR LOCAL LAWS PRIOR TO . IF YOU HAVE QUESTIONS REACH OUT TO A LOCAL FFL AND THEY WILL BE ABLE TO HELP YOU ANSWER QUESTIONS REGARDING YOUR STATE'S SPECIFIC LAWS BETTER THAN WE CAN. IT IS THE BUYER’S RESPONSIBILITY TO KNOW IF HE/SHE CAN LEGALLY OWN A FIREARM AND ACCESSORIES BEFORE PLACING A BID.
DISCLAIMER
All pre-owned firearms are inspected by our gunsmith for basic function and safety. Test firing may or may not be conducted. Buyer is responsible for legal compliance. All sales final.
Price: $3,749.99
Rifle Caliber: .223 Remington
Manufacturer: H&K
Model: SL-8-1
Serial Number: 48-004533
Barrel Length: 20
Condition: EXCELLENT
Metal Condition: EXCELLENT
Bore Condition: EXCELLENT
Manufacture Date: 1999