NEMO Omen Nitemare .300 Winchester Magnum Pistol, 8-Inch Barrel

The NEMO Omen Nitemare (part no. OMENNM-S8) is a .300 Winchester Magnum AR pistol from NEMO Arms, built on the same Omen platform that has made NEMO a name among precision-minded shooters. Chambering the powerful .300 Win Mag in an 8-inch-barrel pistol format packs serious long-range ballistic potential into a compact, maneuverable package. It’s a distinctive option for shooters who want magnum-class performance without stepping up to a full-length rifle.

Key Specifications

• Chambered in .300 Winchester Magnum, a hard-hitting long-range magnum cartridge.
• Features an 8-inch barrel for a genuinely compact pistol footprint.
• Ships with 13+1 capacity for solid on-hand ammunition.
• Runs a semi-automatic action on NEMO’s proven Omen AR-pattern platform.
• The 7-inch M-LOK handguard is machined from 6061 aluminum for a lightweight, modular rail interface.
• Fitted with a NEMO DC-1 titanium dual-chamber muzzle device to help tame recoil and blast.
• Runs a 48-position adjustable gas block for tuning cycling with a suppressor or subsonic loads.
• The upper and lower receivers are matched billet 7075-T6 aluminum with ambidextrous controls.
• The 8-inch barrel is stainless steel for corrosion resistance and consistent accuracy.

Frequently Asked Questions

What caliber is the Omen Nitemare chambered in? .300 Winchester Magnum.

How long is the barrel? 8 inches, keeping the platform pistol-length.

What is the magazine capacity? 13+1.

Buy the NEMO Omen Nitemare .300 Win Mag Pistol

For shooters who want magnum-class reach in a compact AR pistol, the NEMO Omen Nitemare stands out in our AR pistols lineup. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.