Promotion Bar Text

Mossberg 940 JM Pro 12 Gauge 24″ Vent Rib

Mossberg 940 JM Pro 12 Gauge 24″ Vent Rib

$949.71

Full-size Mossberg 940 JM Pro semi-automatic 12 gauge with a 24″ vent rib matte blued barrel, optic-ready receiver (Shield RMSc pattern), adjustable black synthetic stock with 13″–14.25″ LOP, and competition-focused gas system.

Purchase & earn 950 points!
Hurry! Only 15 units left in stock!
SKU: BILL|MOSS 85144Categories: Semi Auto ShotgunsTags: Online Only

The Mossberg 940 JM Pro is a full-size, semi-automatic 12 gauge shotgun engineered for competitive target shooting. It features a 24″ vent rib barrel with a matte blued finish and an optic-ready receiver cut compatible with Shield RMSc-pattern micro dot sights. The adjustable black synthetic stock provides a length of pull range between 13″ and 14.25″ and includes a top-tang safety for familiar, safe operation. Internally, a competition-oriented gas system with specially finished parts supports reliable cycling and reduced maintenance intervals.

Key Specifications

  • The shotgun is chambered in 12 Gauge.
  • The action is Semi-Auto.
  • The chamber size is 3″.
  • The barrel measures 24 inches and features a vent rib.
  • The barrel finish is matte blued.
  • The receiver is finished in tungsten gray anodized with an optics cut for Shield RMSc-pattern sights.
  • The stock is an adjustable black synthetic with a length of pull of 13″–14.25″.
  • The unloaded weight is approximately 7.75 lbs.
  • Standard sights include a HiViz CompSight fiber optic front sight.
  • Included choke set is a Briley extended choke set.

Built with competition features—an optic-ready receiver, streamlined loading components, and a user-adjustable stock—the 940 JM Pro focuses on speed, sight acquisition, and durable function under extended use. Its blend of practical ergonomics and competition-grade components makes it well suited for 3‑Gun and other target disciplines where rapid follow-up shots and reliable cycling matter.

Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.

Related Videos:

UPC

015813851442

Manufacturer

Mossberg

Manufacturer Part Number

85144

Action

Semi-Auto

ATF Type

Shotgun

Barrel Finish

Matte Blued

Barrel Length

24"

Caliber/Gauge

12 Gauge

Capacity

4 + 1

Chokes Included

Extended

Length

46.375

Package Height

3.6

Package Width

9.1

Product Type

Shotgun

Safety

Tang

Shipping Weight

10.4

Sights

HiViz CompSight Fiber Optic

Sights Type

Fixed Sights

State Restriction (IL)

NO SALE TO ILLINOIS PICA

Welcome to Georgia Guns & Ammo, in order to browse our site you must be at least 18 years of age.
Are you at least 18 years old?
No