S&J Hardware

Mossberg 590 & 835 Series Magazine Extension MK II

CNC Milled from a solid block of 4140 steel. Comes with our CNC machined green no-jam delrin mag follower and 1 million cycle count spring and 3 position front sling mount. Made in Canada. Will fit...

Mossberg 930 Series Magazine Extension MK II

CNC Milled from a solid block of 4140 steel. Comes with our CNC machined green no-jam delrin mag follower and i million cycle count spring and 3 position front sling mount. Made in Canada. Will fit...

Mossberg Jumbo Safety

  Much larger than OEM safety. Machined grip surface and larger surface are makes it easier to find in darkness and allows for more positive engagement. CNC machined from 6061 T6 Aluminum...

No Jam Follower Type 3 12GA MOSSBERG

MOSSBERG TYPE 3 MAGAZINE FOLLOWER Mossberg Type 3 Magazine Follower For 12 Gauge Our mag follower is the best on the market today, will not break down with cleaning compound and will not crack. CNC...

Nano Linear Compensator 9mm/.40 - Fluted

Linear compensator is designed to direct the gas on a forward direction, away from the shooter. It's architecture has been improved from the classic layout of the linear compensator. As a result, the...

Nano Linear Compensator 9mm/.40 - Plain

Linear compensator is designed to direct the gas on a forward direction, away from the shooter. It's architecture has been improved from the classic layout of the linear compensator. As a result, the...

Nano Linear Compensator .223/5.56 - Fluted

Linear compensator is designed to direct the gas on a forward direction, away from the shooter. It's architecture has been improved from the classic layout of the linear compensator. As a result, the...

Nano Linear Compensator 7.62/.308 - Fluted

Linear compensator is designed to direct the gas on a forward direction, away from the shooter. It's architecture has been improved from the classic layout of the linear compensator. As a result, the...

Nano Linear Compensator .223/5.56 - Plain

Linear compensator is designed to direct the gas on a forward direction, away from the shooter. It's architecture has been improved from the classic layout of the linear compensator. As a result, the...

Nano Linear Compensator 7.62/.308 - Plain

Linear compensator is designed to direct the gas on a forward direction, away from the shooter. It's architecture has been improved from the classic layout of the linear compensator. As a result, the...

No Jam Follower Type 2 12GA

Our mag follower is the best on the market today, will not break down with cleaning compound and will not crack. CNC milled from 2 inch block of Safety  DuPont Delrin®, it does not react to...

No Jam Follower Type 1 12GA

Our Delrin shotgun mag follower is the best on the market today, will not break down with cleaning compound and will not crack. CNC milled from 2 inch block of Safety Green Or DuPont Delrin®, it does...