SKU: CSSI|ZMAA112

ProMag Industries 7 Round Shell Holder

This (7) RD 12 gauge shell carrier mounts to the side of the receiver on Remington 870® shotguns. Precision molded polymer shell carrier and aluminum mounting plate securely hold 7 additional rounds for fast tactical reloads of the magazine tube. A patent pending retention adjustment system has been integrated and can adjust individual tension for each shell allowing the user to fine tune the shell carrier for specific ammunition and the level of retention required. A rubber molded gasket fits between the mount and the receiver to protect the firearms finish. Shell carrier will not contact or interfere with the pump action forend when used with military length forends. All hardware is included.

Features

  • (7) RD 12 Gauge Shell Carrier
  • Patent Pending Individual Tension/Retention Adjustment For Each Shell
  • Shell Carrier Constructed Of Super Tough Carbon Fiber Filled Polymer
  • Anodized Aluminum Mounting Plate With Rubber Gasket
  • For Use with Military Length Forends
  • Fits Remington 870 12 Gauge Models Only
  • All Hardware Included
SKU CSSI|ZMAA112 Category

ProMag Industries 7 Round Shell Holder

$30.00

8 in stock

FAQ

BJ Firearms LLC is a federally licensed firearms business focused on providing quality firearms, accessories, and related services while promoting responsible ownership, education, and community engagement.

The company was founded to serve firearm enthusiasts with knowledgeable service, real-world experience, and a commitment to professionalism and safety.

We focus on real experience, personalized service, hands-on product knowledge, and community involvement — not just sales. Our goal is to help customers make informed decisions and feel confident with their equipment.

Yes. We operate as a federally licensed firearms dealer (FFL), following all applicable federal, state, and local regulations.

Yes. We partner with trusted suppliers to provide quality products and reliable sourcing.

Yes. We partner with content creators and industry professionals to provide real-world insights and experiences.

We work with everyone — from first-time buyers to experienced enthusiasts. Education and guidance are a big part of what we do.

We offer firearms, accessories, gear, and related equipment depending on availability and customer needs.

Yes. We help customers evaluate their needs, experience level, and intended use to find the right fit.

Yes. Depending on the request, we can help source specific products or assist with custom configurations.

Yes. We actively engage in hands-on experiences, demonstrations, and community-related firearm activities when possible.

Yes. We support content that helps people learn about equipment, safety, and responsible firearm ownership.

Social Media Posts

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Customer Reviews

“Outstanding customer service.” I had a lot of questions before buying, and they walked me through everything without pressure. Super knowledgeable and easy to work with. You can tell they actually care about their customers.
Verified Customer
“Best experience I’ve had buying gear.” Professional, responsive, and honest. They helped me choose exactly what I needed without overselling anything. I’ll definitely be coming back.
Verified Customer
“Great people, great service.” Very down-to-earth and easy to talk to. They explain things clearly and make sure you understand your options. Highly recommend, especially if you’re new.
Verified customer

BJ FIREARMS LLC

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