Originally Manufactured by H&K for the HKSA80 these we also issued with the Original H&K 416's but can be used in any AR-15 platform Rifle.
All Steel Magazines that are marked RISTRICTED LAW ENFORCEMENT/ GOVERNMENT USE ONLY 10-94 these were manufacterd and imported during the 94-04 assult weapons ban.
for 5.56mm X 45
Please know your local laws and regulations. Magazines will not be shipped if address is in a capacity ban state.