MXT-TBS-12-3BK : +3B MXT TUBE KIT 12GA
MXT shotgun magazine extension tube kit for increasing magazine capacity. Used in conjunction with the MXT extension tube nut, this tube kit will add the listed number of rounds to your existing magazine capacity. All capacities are measured using 2.75? star-crimped shells; for use with 3? or 3.5?, increase your selection by one or two rounds.
Kits ship with extension tube, tube cap, and full-length spring (+1 tubes have an integral cap and will not include a separate cap). To determine the length of the extension in relation to your shotgun, reference the measurement diagram and dimension table below. Note that the tube nut will add between .750? and 1.000? depending on the shotgun model.
Due to governmental regulations or manufacturer preferences, some product lines or items may be not be available to export in your country.
Following a manufacturers price increase, we reserve the right to change product prices at any time without further notice.
- Anodized 6061 aluminum for strength and weight
- Available in a variety of lengths providing capacity increases of +1 to +9
- Features relief groove to eliminate barrel clamp travel and ensure repeatable placement after disassembly (+2 through +9 extensions only)
- Relief groove located off-center to allow location adjustment by reversing the tube
- Machined with matching thread pitch on both ends to allow reversing the tube
| Magazine Enhancements | Magazine Extension |
|---|---|
| Caliber/Gauge | 12 ga |
| Magazine Capacity | Adds 3 Extra Shots |
| Compatibility | N / A |
| Manufacturer Number | MXT-TBS-12-3BK |
| UPC | 816696022420 |
| Brand | Nordic Components |