MK9

LTT Firearms LTT-MK9 Series

Compatible with most standard AR-15 parts and accessories

Marked MULTI, accepts any 9mm, .40 S&W, .357 SIG, and other small frame caliber upper receivers.  Accepts any Glock style small frame pistol caliber magazines in 9mm, .40 S&W, .357 SIG and others.

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