Mossberg · semi-auto

Mossberg 940 Pro Tactical

Mossberg's gas semi-auto built for speed: adjustable stock, ghost-ring sights, optic-ready receiver and a 7+1 tube.

semi-auto12 gauge18.5" barrelChecked October 18, 2026
Illustrative editorial graphic for Mossberg 940 Pro Tactical; not a manufacturer product photograph
MODEL FILE 11/15   Editorial illustration; consult maker specifications and photos for exact appearance.
Side profile (illustration)SEMI

Who it's for

  • Premium: about $1,190 list price from the maker.
  • Semi-auto: the action loads the next shell for you, so there's no pump stroke to fumble under stress. Pick ammo it's known to cycle reliably.
  • Adjustable stock length — easier to fit shorter shooters, longer arms, or body armor and winter coats.
  • High capacity for its type: 7+1 (tube).

Specs

Straight from the maker's product page[1]. "Not listed by maker" means the maker doesn't publish that number.

MakerMossberg
Model used for specs85162 (940 Pro Tactical SPX, 12 ga, 18.5")
Actionsemi-auto
Gauge12
Chamber3"
Barrel length18.5"
Capacity7+1 (tube)
Overall length37"
Weight7.25 lb
Length of pull12.5-14.25 (adjustable)
StockSynthetic (black), adjustable LOP, cast and drop
SightsMetal ghost ring with fiber-optic front; optic-ready
ChokeAccu-Choke system, cylinder bore installed
ReceiverNot listed by maker
FinishMatte blue (barrel finish as listed)
Maker list price$1,190
Spec notes

Weight listed as '7.25' with no unit.

Features (from the maker)

  • Optic-ready (Shield RMSc footprint) with 3 extra adapter plates for RMR, Docter and Leupold footprints
  • Forend with integrated heat shield, M-LOK slots and QD ports
  • Vang Comp 6-shotshell carrier system
  • Gas-vent system Mossberg describes as clean-running
  • Oversized ergonomic safety and bolt release; adjustable-LOP stock with QD ports

Set it up

Gear that fits most home-defense setups. Check fitment for the exact Mossberg 940 Pro Tactical model you buy.

LIGHT

Weapon-light mount

You can't identify a target you can't see.

AMMO

Side-saddle shell carrier

Extra shells on the receiver.

CARRY

Two-point sling

Hands free when you need them.

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Compare with

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Beretta A300 Ultima Patrol

A lower-priced Beretta gas semi-auto set up for patrol and home use, with a 19.1-inch barrel.

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Beretta 1301 Tactical C

Beretta's gas-operated tactical semi-auto in a compact 18.5-inch package with a 7+1 tube.

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Sources

  1. Mossberg — Mossberg 940 Pro Tactical product page
  2. Spec source

Last checked October 18, 2026. Spotted something out of date? Send a correction.