Remington M870 MCS
Overview
M870 MCS
Left side view of M870 MCS in full size setup.
Source: US Air Force -
© Public domain
Variants
M870 MCS
The MCS comes in a full size model with 18 inch barrel is most similar to the tactical models of the M870 with its fixed polymer stock, pistol grip, accessory rails and conventional looks.
M870 MCS CQB
The MCS CQB version features a stock and pistol grip derived from the M4 carbine and has a shorter 14 inch barrel with flash hider.
M870 MCS Breacher
The smallest setup of the MCS is the Breacher model with its 10 inch barrel and no stock. The Breacher model may also be fitted under the M4 carbine to form a Masterkey setup.
M870 Police Breacher Shotgun
The Police Breacher System is a highly modified M870 designed for tactical entry and door breaching. The setup is rougly similar to the CQB model of the military Modular Combat System, although the method for fixing the retractable M4 type stock is different.
Details
Media
M870 MCS
M870 Modular Combat Shotgun parts kit.
Source: Remington Defense
Copyright: Copyright lies with original owner
Modular Combat Shotgun
Standard MCS on top, Breacher with QCB mods in the middle, Breach model below.
Source: Remington LE
Copyright: copyright lies with original owner
M870 MCS Breacher
M870 MCS in Breacher configuration mounted underneath a M4 carbine.
Source: Unknown author
Copyright: Copyright lies with original owner
Related articles
Remington M870
The Modular Combat Shotgun is based on the Remington M870 shotgun. Many of the configuration options had already been developed for law enforcement use.
KAC Masterkey
The shortest variant of the MCS, the Breacher, can be mounted under the barrel of an assault rifle in a similar way as the Masterkey.