September 9, 10, & 11, 2025 Firearms & Militaria
This lot is closed for bidding. Bidding ended on 9/9/2025
This is a registered receiver Heckler & Koch 21 machine gun from the personal collection of William Fleming. It is marked on top of the receiver, “HK 21” followed by serial number, and “308 CAL”. The serial number is also on the boss on the left side of the receiver above the feedway. “Fleming Firearms Inc, Collinsville, OK” is electro-penciled on the right side of the receiver just below the feedway. The “S.E.F.” handgrip assembly and the black composite buttstock are numbered “188”. There are two spare barrels, a green composite “S.E.F.” handgrip assembly, and a green composite buttstock assembly also included with this lot. This gun features a fixed buttstock, bird cage style flash hider, quick-release barrel, and detachable bipod. Electronic NFA registry indicates, “HECKLER AND KOCH GMBH” as the manufacturer. PROVENANCE: From the machine gun collection of William “Happiness is a Warm Machine Gun” Fleming. CONDITION: Overall appearance and finish is extremely fine to near excellent combination of black hard coat and blue finish upon remanufacture. Composite furnishings are near excellent. Bore of barrel in gun is near excellent, shiny and bright. Spare barrel in plastic bag is near mint, never used. Third barrel’s bore is shiny and bright through firing residue. Bolt face is extremely fine. Mechanics are fine with strong spring tension. This is a select fire machine gun. Fantastic recreational machine gun! THIS IS A NATIONAL FIREARMS ACT ITEM AND REQUIRES BATF APPROVAL PRIOR TO TRANSFER. THIS ITEM IS FULLY TRANSFERABLE ON AN ATF FORM 3 OR 4. JWK 2025-09-131.
Accessories
Second Trigger Pack, 2 Additional Barrels
Caliber/Bore
.308 Winchester
Manufacturer
Heckler and Koch