- 50-round capacity for extended GBBR gameplay
- Compatible with King Arms and WA M4/AR15 platforms
- Alloy construction with polymer feed lips
The King Arms 50rnd Gas Magazine is built for King Arms and Western Arms-spec GBBR M4/AR15 rifles, offering reliable gas efficiency and increased capacity for players who want longer time on the field between reloads. With space for 50 BBs, this magazine is ideal for skirmishers seeking a balance between realism and practical performance.
Designed for easy loading by hand or with a speedloader through the feed lips, it keeps reloads quick and straightforward. The rear-mounted fill valve is optimised for Green Gas, delivering strong recoil, dependable performance, and sensible long-term durability for your rifle’s internals.
Constructed with a robust alloy shell for strength and gas retention, the magazine also features polymer feed lips to help protect BBs from unnecessary wear or damage during loading and feeding. A solid choice for players wanting dependable performance from their GBBR platform.
Fast Delivery
Delivery & Postage
Here at Patrol Base, we send all our packages from our Warehouse based in the UK with the exception of European Warehouse Items. All of our parcels are sent with specially picked couriers to ensure your parcels get to you on time and in one piece.
For more information please check out our Delivery Information Page.
Estimates
Below are some rough postage prices for orders. Please note these are subject to change and are only a rough guide. For a more accurate postage estimate please use the Postage Calculator at the basket.
UK 3-5 day Standard
£6.95
From
Dispatched with 24hr UK mainland
£8.95
From
Highlands / Islands
£24.99*
From
* Please note that Scottish Highlands, and Islands postage prices can vary wildly. Please refer to the Postage Calculator at the basket for the lowest possible price.
Returns
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.
Description
Features
- Alloy shell and internals
- Polymer feed lips
- Filled with a speedloader or by hand
- Fill valve on the rear of the magazine body
- Compatible with King Arms and Western Arms-based GBBRs
Package Includes
- King Arms 50rnd Gas Magazine for WA Gas Rifles
Specification
General
Parts & Accessories Type | Magazine |
|---|---|
 | Black |
 | Alloy shell with steel feed spring. |
Product Height | Approx.17cm |
Product Length | Approx.6.5cm |
Product Width | Approx.2.3cm |
 | Approx.0.44KG |
Magazine Specific
 | STANAG |
|---|---|
 | Assault Rifle |
 | Assault Rifle |
 | Gas |
 | Approx.50Rounds |