Skip to main content Skip to footer

Search Suggestions

Sign In

0 $0.00 (ex. tax)

Firearms
- See All Firearms
  Rifles
  AR Style Rifles
  AK Style Rifles
  Bolt Action Rifles
  Lever Action Rifles
  Pump Action Rifles
  Semi Auto Rifles
  Single Shot Rifles
  All Rifles
  Handguns
  Semi Auto Handguns
  Revolvers
  Single Shot Handguns
  Derringers
  AR Style Pistols
  AK Style Pistols
  All Handguns
  Shotguns
  Pump Action Shotguns
  Semi Auto Shotguns
  Side By Side Shotguns
  Over Under Shotguns
  Lever Action Shotguns
  Single Shot Shotguns
  Bolt Action Shotguns
  All Shotguns
Optics & Sights
PART & ACCESSORIES
Ammo
FFL Transfers
About
Contact

Shop

Filters

Selected:

12 Gauge
8
Clear filters

Categories

No results found for:

Gun Parts 2
- Other Gun Accessories & Parts 1
- Shotgun Parts 1
  - Shotgun Chokes 1
Magazines 1
- Shotgun Magazines 1
Firearms 2
- Shotguns 2
  - Pump Action Shotguns 2

Stock Status

Show allShow in stock

In Store

Online Only 5

Caliber Gauge

No results found for:

.17 WSM 16
.22 LR 18
.22 Magnum 2
.22 Winchester Magnum 13
.22 WMR 1
.25 ACP 1
.32 Auto (ACP) 9
.357 MAGNUM 8
.38 Super Auto 6
.380 ACP 45
.40 S&W 3
.44 Magnum 13
.45 ACP 155
.45 Long Colt 6
.45-70 Government 4
.50 Action Express 3
10mm 34
12 Gauge 5
22 LONG RIFLE 14
22 WIN MAG 8
357 MAGNUM/38 SPECIAL 18
380 AUTO 10
429DE 1
45 ACP +P 1
50 Action Express 1
6.5 PRC 5
9mm 83

Manufacturer

No results found for:

Carlsons 3
Keltec 1
Mossberg 1

Model

No results found for:

Pump Action 2

Action

No results found for:

Pump Action 2

Barrel Length

No results found for:

18.5000 1
20" 1

Capacity

No results found for:

Showing 1–16 of 47617 results

MOSSBERG 590A1 PRO 12/20 TUNG OR
$707.37
Add to cart
KEL-TEC KSG-NR SHOTGUN 12GA. – 3″ 8-SHOT 18.5″ CYL. TAN/BLACK
$770.05 Free Shipping
Be notified when in stock
CARLSONS MAGAZINE EXTENSION – WIN SX2/SX3 8-SHOT 12GA
$76.49
Add to cart
CARLSONS MAGAZINE EXTENSION – BENELLI M1/M2/SBE 8-SHOT 12GA
$73.99
Add to cart
CARLSONS MAGAZINE EXTENSION – REM 870/1100 8-SHOT 12GA
$73.99
Add to cart

Website open 24/7.
We answer calls and emails Monday–Friday (Mountain Time), and weekends when needed.
You’ll talk to one of our owners, every single time.
If we miss you, we’ll personally call you back!

844-321-GUNS (4867)
customerservice@ecommercearms.com

Shop

My Wishlist
Cart

Resources

Privacy Policy
Terms of Service
Store Policies
Shipping Policy
FFL Policy

My Account

Account

Copyright © 2025 • E-Commerce Arms

Anti-spam by MXGuarddog

Design and Developed by FFL Funnels

Follow us on X

Welcome to E-Commerce Arms, in order to browse our site you must be at least 18 years of age.

Are you at least 18 years old?