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Sig Sauer SIG556 - MAGAZINE CONNECTOR
Easily connects SIG556 magazines making magazine changes a very fast procedure. Made of polymer and will only work on factory SIG556 magazines.
The SIG SAUER .556NATO or .223 Remington, 30RD magazine is manufactured from a tough polymer composite material. Designed specifically for the SIG 556 rifle, but will fit most AR-15 and M-16 platform rilfes. These can be connected together for faster accessability to a 2nd magazine.