Rem 870 Barrel,18 1-2",adj Sights,cyl Chk Hands Free - Gear Ratio: 7

- Gear Ratio: 7

- Caliber: 40 S&W

- CHIRP - Imaging-Frequencies Supported: 455 kHz DI+ (435-535 kHz)

44 Mag rounds up to 1

- Dimensions: 3 1/2" x 2 1/2" x 2

Rem 870 Barrel,18 1-2",adj Sights,cyl Chk Hands Free - Gear Ratio: 7Carlson's high quality accessory barrels are made for Remington 870 models. All barrels are constructed from certified ordinance grade 4140 steel with chrome lined bores. Vent rib models have a satin matte blue finish with red fluorescent front sight and brass center bead. All 18 1 2" barrels are non vent ribbed and have a ramped front sight with a matte finish. Each barrel comes with a Carlson choke tube,manufactured from 17 4 stainless steel except