Oregunsmithing Custom Remington Model 700 Bolt-Action Rifle in .300 Rem. Ultra Mag. with 26" Fluted Barrel, Muzzle Brake, and Cerakote Finish
This is a full custom .300 Remington Ultra Magnum built by Oregunsmithing of Pendleton, Oregon on a Remington Model 700 action. It features a 26" fluted barrel marked "300 RUM" with an installed muzzle brake, plus a spiral-fluted bolt body. The rifle is finished in matte gray Cerakote and set into a HunTac Pendleton composite stock in a black/gray pattern with white splatter, including a raised cheekpiece.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There is some mild discoloration on the Cerakote finish. Overall, the rifle remains in great shape.
What's Included
- Oregunsmithing custom Remington Model 700 bolt-action rifle
The receiver is marked "Remington" and "MODEL 700," and the barrel shows an "OREGUNSMITHING" marking. The rifle is configured as a full-size bolt-action with a stated 3-round capacity.
A full-length Picatinny-style top rail is mounted to the receiver, providing a continuous mounting surface along the top. The rifle also has two knurled sling/bipod-type studs on the underside of the forend.
The composite HunTac Pendleton stock is finished in black/gray with a white splatter/marble pattern and includes a raised cheekpiece. The stock shows a circular molded-in marking of "RCS."
Per the provided information, this build is described as using a Proof barrel; however, the Proof barrel brand is claimed in human input but is not visibly marked in the provided images.




