This GG&G side saddle mounts directly to the left side of Mossberg 590 shotguns, providing secure retention for six additional 12-gauge shells.
- Part Type: Shell carrier / side saddle
- Compatible Firearms: Mossberg 590 12-gauge
- Capacity: 6 rounds (12-gauge 2¾” or 3″)
- Material: 6061-T6 aluminum
- Finish: Hard-anodized black
- Installation: Drop-in using existing receiver pins (requires disassembly)
- Includes: Mounting hardware and retention springs
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