This 50 round high capacity .22 rimfire magazine is perfect for your RTB or CMMG 22LR builds or conversion kits.
Will Not work with: H&K 416.22/Umarex, HK-416D Pistol, Colt/Umarex M-4 Carbine, M-4 OPS, M-16 Rifle & M-16 SPR or S&W- Smith and Wesson.
Material: Polycarbonate & Glass Filled Nylon
Blackdog does not guarantee that the drum will work in full-auto setups. However, many customers report that with a little fine tuning they can get the drum to work in full-auto.
Compatible conversion units:
Right To Bear
Model 1 Sales
Sig Sauer 522
Bushmaster Combo Kit
Recommended Ammunition: Federal, CCI/Blazer, American Eagle. Use a round nosed bullet. Stay away from hollow points. Ammunition not listed will not feed well in our products.