NEMO OMEN Recon 3.0 .300 Win Mag 18in 14rd

Description

If you need a .300 Win Mag that handles like a carbine and hits like a freight train, the NEMO OMEN Recon 3.0 .300 Win Mag 18in 14rd is the tool. This AR-style rifle packs an 18-inch Bartlein blank barrel, a four-position adjustable gas system, and a 14-round magazine into a package that runs suppressed or loud. Per NEMO specs, it’s built for shooters who demand precision without dragging a 26-inch barrel through the brush.

Manufacturer	NEMO Arms
Model	OMEN Recon 3.0
Material	Billet 7075-T6 receivers, 6061 aluminum M-LOK rail
Compatibility	.300 Winchester Magnum, NEMO 14-round magazines (included)
Finish	Cobalt Cerakote
Weight	9.8 lbs (per manufacturer specs)
Condition	New

Key Features

• Bartlein Steel Barrel, 18in, 1:8 Twist, 5R Rifling – WHY IT MATTERS: Bartlein is one of the top barrel makers in the world; the 5R rifling reduces fouling and copper buildup, keeping your shots consistent round after round.
• Four-Position Adjustable Gas System – WHY IT MATTERS: Tune the gas for suppressed or unsuppressed fire, or dial it back for reduced recoil. No more chasing brass or fighting a harsh cycle.
• Dual-Chamber Muzzle Brake – WHY IT MATTERS: Cuts recoil noticeably, letting you spot your hits and stay on target for quick follow-up shots.
• 15-inch 6061 M-LOK Modular Rail – WHY IT MATTERS: Lightweight and rigid, with plenty of real estate for lights, lasers, or bipods without extra weight.
• 14-Round NEMO Magazine – WHY IT MATTERS: More rounds than standard .300 Win Mag box mags, giving you extended firepower in a compact package.

Who It’s For

This rifle is for the rancher who needs to reach out and touch a coyote at 400 yards from a side-by-side. It’s for the rural worker who wants a lightweight .300 Win Mag that fits in a truck rack and still shoots sub-MOA. If you value durability, accuracy, and the ability to run suppressed without a hassle, this is your rig.

Pros & Cons

• Pro: Bartlein barrel delivers match-grade accuracy out of the box.
• Pro: Adjustable gas system works with suppressors, no need for aftermarket tuning.
• Con: Price tag is steep—$5,224 isn’t for casual shooters. But you’re paying for premium components and a proven platform.
• Pro: Cobalt Cerakote finish holds up to hard use in weather and dirt.

Comparison

Feature	NEMO OMEN Recon 3.0	Geissele Super Duty .308	Lone Wolf Distributors GLR-308
Caliber	.300 Win Mag	.308 Winchester	.308 Winchester
Barrel Length	18 inches	16 inches	18 inches
Barrel Source	Bartlein blank	Geissele proprietary	Lone Wolf
Gas System	4-position adjustable	Fixed	Adjustable
Magazine Capacity	14 rounds	20 rounds	20 rounds
Weight	9.8 lbs	8.5 lbs	9.2 lbs
Price	$5,224	$2,100	$1,600

FAQ

What is the barrel twist rate on the NEMO OMEN Recon 3.0?

The barrel has a 1:8 twist rate with 5R rifling, optimized for heavy .300 Win Mag bullets (180-220 grains) for long-range accuracy.

Does the NEMO OMEN Recon 3.0 come with a magazine?

Yes, it ships with one 14-round NEMO magazine. Extra magazines are available separately from NEMO Arms.

Is this rifle suppressor-ready?

Yes. The four-position adjustable gas system lets you tune the action for suppressed fire, and the dual-chamber muzzle brake can be removed for direct thread suppressors.

What is the overall length of the NEMO OMEN Recon 3.0?

Overall length is approximately 36 inches with the stock collapsed, making it compact for a .300 Win Mag.

What finish is on the receivers?

Cobalt Cerakote over billet 7075-T6 aluminum. It’s tough, corrosion-resistant, and low-glare in the field.

✔ Nationwide delivery (all 50 states) | ✔ Ships 1-2 business days | ✔ 30-day returns | ✔ Secure checkout

Last updated: April 2026

Related categories: AR Rifles | Long Range Rifles | .300 Win Mag Rifles