Nemo Arms OMEN .300 Win Mag Semi-Auto Rifle with 22" 418 Stainless Barrel and Side-Charging Handle
This Nemo Arms OMEN is a semi-auto rifle chambered in .300 Win Mag with a 22" 418 stainless barrel and a 1:8 twist. It features a direct gas impingement action and a side-charging handle/knob. Markings on the receiver and upper confirm the OMEN model and .300 Win Mag chambering, and the included factory test/tag card lists a Date Tested of 08-23-16 with a matching serial number.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Specific Condition Notes: The rifle shows minimal markings from previous handling/use. The bore is bright and clean. Refer to pictures.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
What's Included
- Soft rifle case/bag (shown in photos)
- NEMO factory test/tag card in small envelope (serial/date tested noted on card)
- 2x 10-round detachable box magazines (NEMO Arms/OMEN proprietary magazines marked "NEMO ARMS / MADE IN U.S.A.")
The OMEN is built around a 22" barrel marked "NEMO 300 WIN MAG 1/8 418SS," matching the listed 418 stainless construction and 1:8 twist. The upper is marked ".300 WIN MAG," and the receiver markings include "MODEL: OMEN" and "MULTI-CAL," with serial OMN2A0661.
This rifle uses a direct gas impingement operating system and includes SAFE/FIRE selector markings. It is equipped with a side-charging handle/knob, a feature many shooters look for when running a larger-frame semi-auto rifle.
Furniture includes a fixed FAB Defense SSR-25 stock with a 15.5 length of pull and an ERGO pistol grip. Up front, it has a long free-float handguard with a continuous top Picatinny rail with numbered index markings, plus a short accessory rail section.
There are no iron sights visible. At the muzzle, it has an attached ported multi-port muzzle device. The rifle is made in the United States and ships with two 10-round proprietary NEMO Arms/OMEN magazines for a stated capacity of 10+1.




