

- 304 Stainless Steel
- For barrel & castle nuts
- Customise your M4/AR-15
If you have plans to customise your M4/AR-15, this versatile combination tool is essential! The Steel Armourers' Wrench for M4/AR-15 from FMA allows you to easily remove M4/AR-15 platform barrel nuts and castle nuts, allowing you to change the entire front end of your AR and make it truly yours.
The built-in castle nut wrench also allows GBBR users to remove their buffer tube and switch it out for a fixed stock, PDW stock or folding adapter without any janky processes or scratching your hardware with inappropriate tools. Made from 304 stainless steel and machined to a high standard, the FMA Steel Armourers' Wrench for M4/AR-15 is a must-have for any M4/AR-15 customisation addict!
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 Standard
£6.95
From
UK 24hr Dispatch
£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
- 304 Stainless Steel construction
- For barrel nuts & castle nuts - Change AEG handguards/GBBR handguards & buffer tubes
- Give your M4/AR-15 the custom touch!
Package Includes
- FMA Steel Armourers' Wrench for M4/AR-15
Specification
General
Parts & Accessories Type | Tools and Chronographs |
---|---|
Over 18 | No |
Weight and Dimension
Weight (KG) | Approx. 0.15kg |
---|
Construction
Item Colour | Black |
---|---|
Construction | 304 Stainless Steel |
Material | Stainless Steel |