Mossberg 590R Stand-Off 12 Gauge Pump-Action Shotgun, 18.5 in Barrel, 6+1 Capacity, 3 in Chamber, Heat Shield & Stand-Off Muzzle
This Mossberg 590R Stand-Off brings purpose-built features to a proven 12 gauge pump platform. Notable elements include the 18.5 in cylinder-bore barrel with heat shield and stand-off/breacher muzzle, a 5-position adjustable stock with Magpul MOE+ pistol grip, and an aluminum receiver marked "MOSSBERG 590R 12GA / NORTH HAVEN, CT USA." It is a recent-production SKU 50761 with a clean, shiny bore, a scope mount, and an M-LOK barrel/magazine-tube clamp.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Specific Condition Notes: The firearm shows a few minor, superficial scratches and small blemishes consistent with light handling.
What's Included
- Mossberg 590R owner's manual
- Mossberg factory box with matching end label (SKU 50761)
Built on Mossberg's pump-action system with twin action bars, dual extractors, and steel-to-steel lockup, this 590R emphasizes reliable cycling and strong primary extraction. An enlarged loading port supports quick, positive loading to the 6+1 capacity with 2.75 in shells.
The 18.5 in cylinder-bore barrel is paired with a ventilated heat shield and a stand-off/breacher muzzle device. A barrel/magazine-tube clamp with an M-LOK interface provides a mounting point for compatible accessories at the front of the gun.
Furniture is configurable and duty-focused: a 5-position adjustable synthetic stock with interchangeable recoil pad sets length of pull from 12.0 to 15.25 in, and integrated QD sling cups simplify sling setup. The Magpul MOE+ pistol grip offers a secure, hand-filling hold, and the polymer fore-end is durable and easy to grasp.
The aluminum receiver wears a matte black finish and includes a scope mount. Factory barrel-mounted sighting is included; configuration may vary. Overall length is 36.4 in with an approximate weight of about 7 lb. Controls include an ambidextrous rotary safety selector and a standard trigger. Country of origin is USA, and the manufacturer’s part number is 50761; MSRP is $1085.