Mossberg 510 Mini 20 Gauge Pump-Action Shotgun, 18.5" Vent-Rib Barrel, Accu-Choke, Dual-Bead Sights, Blued, 3+1, 10" LOP (SKU 50485)
This Mossberg 510 Mini in 20 gauge is a compact, youth/small-stature configuration with a 10" length of pull, an 18.5" vent-rib barrel, and dual-bead sights. It is chambered for 2 3/4" and 3" shells and uses the Accu-Choke system for interchangeable 20-gauge choke tubes. The factory box with matching end label and original manual are included, and the bore is clean with a mirror finish.
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.
Specific Condition Notes: Minor, superficial scratches and blemishes are present on exterior surfaces.
What's Included
- Mossberg factory cardboard box with matching end label (SKU 50485, serial V1293XXX)
- Original manual
The 510 Mini platform is built for smaller-stature shooters with a 10" LOP and a durable synthetic stock. The pistol-grip stock includes molded checkering and a ventilated recoil pad for secure handling and comfort. The matching synthetic forend complements the compact layout while keeping weight manageable.
The 18.5" vent-rib barrel is threaded for Mossberg 20-gauge Accu-Choke tubes, providing choke interchangeability. Dual-bead sights—white front bead with a brass mid-bead—offer a clear, straightforward sight picture along the rib.
This pump-action 20 gauge is chambered for 2 3/4" and 3" shells with a 3+1 capacity. Controls include Mossberg's top-tang manual safety. The blued barrel and blued/black receiver deliver a classic, protective finish, and the magazine cap features an integral front sling-swivel stud.
Factory details confirm SKU 50485, and the carton end label matches the receiver serial. The original manual and factory box accompany the shotgun, adding completeness for buyers seeking an original-package example.




