Description
The Iver Johnson PAS12 Pump 12 Gauge Brake is an 18 inch pump action home defense shotgun with a muzzle brake. Iver Johnson model PAS12MB has a 3 inch chamber, a cylinder bore barrel, a lightweight alloy receiver with a polished blue finish, a Picatinny rail with a fiber optic front sight and a black synthetic stock.

Iver Johnson PAS12 Pump 12 Gauge Brake Overview
Iver Johnson’s PAS12 is a simple, affordable pump action 12 gauge built for home defense, truck and farm duty. It uses a lightweight alloy receiver with a polished blue finish, an 18 inch cylinder bore barrel with a muzzle brake to help control recoil and muzzle rise and a 3 inch chamber that handles both 2 3/4 and 3 inch shells. A Picatinny rail on the receiver lets you add a red dot, and a fiber optic front sight gives a bright, fast aiming point.
An easy reach extended bolt release latch makes it simple to open the action. The black synthetic stock and forend stand up to weather and rough handling, and the gun measures about 38 inches overall, short enough to maneuver easily inside a home or vehicle. The magazine tube holds 5 shells.
Why a Pump Shotgun
Pump shotguns cycle any load you feed them, from low recoil buckshot to full power slugs, and the manual action is simple to learn and easy to maintain. An 18 inch cylinder bore barrel gives wide, consistent patterns at home defense distances.

Home Defense Setup
Pattern your chosen buckshot load at indoor distances, add a sling or side saddle shell carrier and practice racking the action firmly. Store the shotgun safely with the chamber empty until it is needed.
Care and Maintenance
Wipe down the barrel and receiver after use, keep the action rails lightly oiled and clean the bore regularly. The synthetic furniture needs nothing more than a quick wipe.

Choosing Shells
Pattern your shotgun with several loads at the distances you expect to shoot, since every barrel and choke combination behaves differently. Use the right shot size for your game or target and follow local rules on nontoxic shot where required.
Fit and Mounting
A shotgun that fits lets you look straight down the rib with your cheek firmly on the stock. Practice smooth gun mounts at home with an unloaded gun to build consistency in the field and on the clay range.
Care and Maintenance
Clean the bore, chokes and action after each outing, especially after rain or salt water. A light coat of oil on metal parts and a clean action keep the shotgun running reliably for years.
Choke Selection
Tighter chokes such as modified and full extend effective range for waterfowl and turkey, while improved cylinder and skeet chokes open patterns for close birds and clay targets. Always use chokes rated for the shot you are shooting, especially steel.
Recommended Accessories
Eye and ear protection, a cleaning kit, extra choke tubes and a padded case are smart additions. Hunters may want a sling, while clay shooters often add a shell pouch and recoil reducing pad.
Ordering From MAG5
Choose your local FFL dealer at checkout and we ship directly to them. Once the firearm arrives, your dealer runs the background check and completes the transfer paperwork. Most dealers charge a modest transfer fee, so ask about it before you order.
State Laws
Firearm, magazine and transfer laws vary by state. Check your local laws and confirm your receiving dealer can complete the transfer.
Specifications
- Manufacturer: Iver Johnson Arms
- Model: PAS12 with muzzle brake
- Part Number: PAS12MB
- UPC: 797734004403
- Gauge: 12, 3 in chamber
- Action: Pump
- Barrel: 18 in cylinder bore with muzzle brake
- Capacity: 5 round magazine tube
- Receiver: Lightweight alloy, polished blue, Picatinny rail
- Sight: Fiber optic front
- Stock: Black synthetic
- Overall Length: 38 in
Before You Buy
Federal law requires this shotgun to ship to a licensed FFL dealer, where you will complete the background check and transfer. You must be 18 or older to purchase. Verify local laws before ordering.
Who It Is For
The Iver Johnson PAS12 Pump 12 Gauge Brake is a great fit for homeowners and first time buyers who want an affordable, reliable 12 gauge pump for defense and utility.
Buy the Iver Johnson PAS12 Pump 12 Gauge Brake at MAG5 Firearms
MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the Iver Johnson PAS12 Pump 12 Gauge Brake online and ship it to your local FFL dealer, or browse our full selection of firearms for more shotguns. For factory details, visit Iver Johnson.







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