- Silent Fill Conversion
- Enough For 8 x Gas Tanks
- For TM Breacher & Tactical
A convenient kit created for both Tokyo Marui's M870 Tactical and M870 Breacher gas shotguns, designed to allow players to replace damaged or worn O-Rings in the Airsoft shotgun's gas tanks, and bring them back to brand new condition.
Here at Patrol Base we ship all around world, with delivery not only to the UK, but to most of the EU and select Worldwide locations as well. We provide a working day by road service via our handpicked courier services, simply buy your Airsoft guns with us and we'll have them delivered directly to your door.
For more information and to see the country we deliver please check out our Delivery Information Page.
Below are some rough postage prices for orders. Please note these are subject to change, and are only a rough guide. For more accurate postage estimate please use the Postage Calculator at the basket.
UK Next Day
Highlands / Islands
* Please note that Scottish Highlands, Islands and EU post prices can vary wildly. Prices range from £8.99, up to £29.99, so please ensure you refer to the Postage Calculator at the basket for the lowest possible price.
We want you to be absolutely happy with our products and services, so we provide the simple Patrol Base guarantee: if on receiving your item you are unhappy with your item for any reason then simply send it back to us. We will replace or refund the item.
You can return any item for any reason whatsoever, even if you have just changed your mind, within 14 days of receipt of the order. This is in addition to your rights under the Consumer Protection (Distance Selling) Regulations 2000.
For more information on returning products, and how to do it please visit our Returns Policy Page.
Give your gas tank a new lease of life! The O-Rings are direct replacements for the originals which come with the magazine, and features release valve O-Rings, fill valve O-Rings, silent fill valve O-Rings. There are enough components in this set to allow you to convert up to 8 of your magazines to silent fill. These kits are supplied in a handy compartmentalised storage case, with individual compartments allowing you to store the various O-Rings, or similar small (and easily lost!) components while you work on your TM Shotguns. These kits are ideal for keeping handy in a kit bag or tool box without the parts going missing, or suddenly find a leaky magazine just before a skirmish.
- High quality O-Rings
- Enough components for 8 M870 gas tanks
- Sufficient to convert 8 gas tanks to silent fill
- Repair leaking Marui M870 gas tanks
- Reduce gas escape while filling with silent fill valve O-Rings
- Convenient storage case to store small parts
- 24 x Release Valve O-Rings
- 16 x Fill Valve O-Rings
- 8 x Silent Fill Valve O-Rings
- Compartmentalised Carry/Storage Box
Parts & Accessories Type
Maintenance, Magazine Part,