HKP HK21 Drum Hanger with H&K 100 Round Drum
Complete your HK21 or FMP21 build with our HKP drum hanger and H&K original 100-round drum.
Our HK21 drum hanger is precisley machined from 4140 billet steel, heat-treated to 50 Rockwell, and parkerized for a durable finish. A lower cost alternative to the discontinued factory hanger, the HK Parts drum hanger is built for belt-fed abuse.
Compatible With:
- HK21 (Genuine and FMP production)
![Hornady Precision Hunter .270 WIN, 145gr, ELD-X - 20 Rounds [MPN: 80536]](https://www.tacticalwatchstore.com/wp-content/uploads/2026/10/hornady-precision-hunter-270-win-145gr-eld-x-20-rounds-mpn-80536.webp)
