Nemo Arms Mongoose 9mm Pistol-Caliber Carbine with 5.8-inch Threaded Barrel

Overview

The Nemo Arms Mongoose is a semi-automatic, pistol-caliber carbine chambered in 9mm with a 35-round capacity. It features a 5.8-inch steel barrel with a 1:10 twist, QPQ nitrided finish, and 1/2x28 threading, accompanied by a barrel thread protector. The firearm utilizes a lightweight short-recoil operating system paired with an extruded aluminum upper receiver and a billet lower receiver. Designed for versatility, the Mongoose includes an integral 10.25-inch top picatinny rail with M-LOK slots at the 3, 6, and 9 o'clock positions, an SB Tactical FS1913 brace, and a Magpul MOE SL grip. Controls feature an ambidextrous safety selector, ambidextrous bolt catch and release with a last-round hold-open, and an ambidextrous magazine release, along with a non-reciprocating forward charging handle that accommodates left- or right-side configuration. The trigger is an ALG ACT model. The muzzle ships with two interchangeable end caps: a flat end cap for suppressed use and a compensator end cap for unsuppressed use. The package includes a custom Nemo Arms soft range bag and an owner's manual.

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