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Tokyo Marui M870 Airsoft Pump Action "Breacher" Gas Shotgun

ID: 57091 (SG-TMGG52)
TMGG52 4952839140326
Tokyo Marui859188570917TMGG52 495283914032657091
4.7 stars, based on 3 reviews
Tokyo Marui M870 Airsoft Pump Action Breacher  Gas Shotgun
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Red dot not included
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Tokyo Marui


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FPS Range: 300-350

Color: Black

*Red dot not includedTokyo Marui never ceases to amaze with their innovative new designs and improvements in the airsoft world. Once again, they manage to bring us a product which will set the standard to what future guns will be measured with. The all new M870 full metal gas operated pump action shotgun combines realism with convenience for those looking to utilize a shotgun for CQB skirmishing. This innovative new shotgun has multi shot capability allowing for multiple BBs to be discharged with one pull of the trigger; with a quick flip of a switch, the M870 can switch between 3 and 6 BBs discharged with each shot. Until now, shooting more than 3 BBs at a time was reserved only for shell ejecting shotguns; the M870 however uses the same shells as the original TM shotguns as well as the UTG spring shotguns making it easier to keep track of your shells and with the added advantage of having more ammo per shell. The gas operated system allows for a smooth racking action compared to spring powered shotguns to allow for rapid follow up shots and unrivaled speed. Last but not least, lets not forget distinct and satisfying sound of a pump action shotgun being racked.


  • Selectable 3rd / 6rd firing system
  • Removable 30rd Shell
  • Integrated 20mm optic rail
  • Heavyweight metal receiver
  • Metal barrel and magazine tube
  • Ergonomic pistol grip
  • Removable gas reservoir hidden inside pistol grip
  • Smooth racking action
  • Uses standard TM spring shotgun shells
Length: 500mm
Muzzle Velocity: 300~350 FPS (Measured w/ 0.20g BBs and Green Gas)
Magazine: 30rds
Gas Type: Green Gas, 134a
Firing Modes: 3rd / 6rd, selectable
System: Gas, Pump Action
Hopup: Yes, Fixed
Package Includes: Shotgun, 1x 30rd Shell, Gas Reservoir, and Manual

Manufacturer: Tokyo Marui

Disclaimer: Please refrain from any Hollywood style one handed cycling of the action. This may damage the action and will void your warranty.

About Tokyo Marui

Tokyo Marui Co. Ltd is a Japanese manufacturer of airsoft guns and toy cars located in Adachi, Tokyo, and are famous for pioneering the design of battery-powered airsoft guns. Their products are principally sold in Japan, but are also exported worldwide. Here in USA is a proud distributor of many Tokyo Marui products exclusively!

3 Customer Reviews

(Write a review)

by Stephen M. on 03/05/2020
"Hands down my favorite shotgun!! very compact and nimble. Shoots well stock and a fantastic platform to upgrade if you want! For those that want to put an AngryGun stock on it, they are discontinued :-( but Alpha Airsoft makes a very similar gas stock for it. The in grip tank that the Breacher comes with gets about 30 shots (3 shells) on 3 shot with green gas. The Alpha stock tank is much larger but I have not tested the efficiency on it yet. I put a SOUSA Optics RPD on it and it shoots a great pattern out to about 100 ft with .20 and .25 with a muzzle velocity of about 330 fps on the .20. I have run the TM shells and the Zombie Stoppers through it and they all feed without an issue. Next mods in line for this little blaster are HPA Tap and M4 mag adapter!!
by Jamie L. on 12/26/2018
"Hands down my favorite gas shotgun on the market. I've owned one for about a year now and still is running amazing with no problems! I HPA tapped mine and it does an amazing job. most of the internals are plastic so keep in mind that you will end up upgrading those internals once they break.

- affordable price
- very durable and reliable

- plastic internals
by Chris M. on 02/15/2019
"It shoots great and is by far the best shotty I've ever owned. My only problem is that the reservoir that came with it does not work, even after lubing the O-rings. I had to order a new one, but after that it has worked great!

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