Mossberg 510 Mini & 505 Youth Shotguns
Mossberg's pumps for young and smaller shooters. The 510 Mini Super Bantam has an 18.5 inch barrel and a 10.5 to 11.5 inch length of pull, Mossberg says, and our 505 Youth listings have 20 inch barrels. We list both in 20 gauge and 410 bore. Every count and price on this page is live.Youth pumps in 20 gauge and 410: the 510 Mini and the 505 Youth.
Prices from $413.28 to $477.25, as of Nov 13, 2026.
Pick your 510 Mini
Every 510 Mini model we list, with the count in stock and the lowest price for each.
All 510 Mini shotguns
6 in stock. Sold out listings stay up, after the ones you can buy today.
Compare 510 Mini models
The most listed size for each model in stock.
As of Nov 13, 2026
Compare 510 Mini models
The most listed size for each model in stock.
| Model | Stock / finish | Barrel | Capacity | Gauges | In stock | From | Shop |
|---|---|---|---|---|---|---|---|
| 510 Mini Super Bantam | Camo | 18.5 in | 3 | 20 Gauge, 410 Bore | 5 | $422.48 | Shop |
| 505 Youth | Wood | 20 in | 4 | 410 Bore | 1 | $413.28 | Shop |
Source: barrel, capacity and gauge are taken from our in-stock listings for each model.
Built for your 510 Mini
Chokes, slings and parts that fit the 510 Mini, from Mossberg and other makers. Parts ship to your door where your state allows.
Sized for young shooters
Mossberg lists the 510 Mini's length of pull at 10.5 to 11.5 inches, set with a 1 inch spacer you can add as a young shooter grows, and Mossberg's Super Bantam stocks all take that spacer. For a full size youth gun, see the 500 Bantam and Super Bantam. In stock now: 510 Mini (5), 505 Youth (1).
Chokes
Our 20 gauge Mossberg Accu-Choke listings name the 500, 505 and 510; check the gauge and the fitment line before you order. Shop Mossberg 20 gauge chokes.
Buying a shotgun online
Chokes, barrels and most parts ship to your door where your state allows. Check state restrictions before you order, and read how buying a gun online works. Firearms can go on layaway, and financing shows at checkout when the order qualifies.
More Mossberg lines
Mossberg 510 Mini FAQ
What is the length of pull on the Mossberg 510 Mini?
Mossberg lists 10.5 to 11.5 inches, set with a 1 inch spacer that you add as the shooter grows.
What gauges do the 510 Mini and 505 come in?
Our listings are 20 gauge and 410 bore. Pick a gauge in the filters above the grid.
Do you have the Mossberg 510 Mini in stock?
In stock as of Nov 13, 2026: 6. Stock changes daily, and listings that sell out stay on this page after the ones you can buy today.
Do you ship Mossberg shotguns to my house?
No. A firearm bought online ships to a licensed dealer (FFL) you pick at checkout, and you fill out the transfer paperwork there. Chokes and most parts ship to your door where your state allows.