The Magpul PMAG 40 AR/M4 GEN M3 .223/5.56 NATO Magazine, Black is a magazine that fits AR Rifles.
The next-generation PMAG 40 AR/ M4 Gen M3 is a 40-round 5.56x45 NATO (.223 Remington) polymer magazine for AR15/M4 compatible weapons. Along with expanded feature set and compatibility, the PMAG 40 AR/M4 Gen M3 incorporates new material technology and manufacturing processes for enhanced strength, durability, and reliability to exceed rigorous military performance specifications. While it is optimized for Colt-spec AR15/M4 platforms, modified internal and external geometry also permits operation with a range of additional weapons such as the HK 416/MR556A1/M27 IAR, British SA-80, FN SCAR MK 16/16S, and others.
Magazines are made for specific firearms and calibers. Check the platform and caliber named in the title match your firearm before ordering.
How It Compares
Also compare the Magazine for AR Rifles, PMAG 30 AR/M4 Gen M3, Magazine for AR Rifles, PMAG 10 AR/M4 Gen M3 and Magazine for AR Rifles, PMAG 20 AR/M4 Gen M3. Browse all magazines and the full Magpul range. New to this? Read our guide: Rifle and Pistol Magazine Guide.
Ideal For
- AR-15/M4 rifles in 5.56 NATO or .223 Remington
- Shooters who want 40 rounds in a single stick magazine
- Rifles beyond Colt-spec, thanks to modified dimensions
Key Features
- Next-generation impact and crush resistant polymer construction
- Modified dimensions allow for compatibility with non Colt-spec platforms
- Constant-curve internal geometry for smooth feeding & anti-tilt follower
- Ribbed gripping surface & aggressive texture for positive handling
- PMAG 40 AR/M4 GEN M3
- 223 Remington/5.56 NATO
- 40 Rounds
Compatibility & Fitment
Fits AR Rifles. Not sure it fits? Contact us before you order and we will check for you.
Technical Specifications
Brand | Magpul |
Type | Magazine |
Model | M3 |
Caliber | 223 Remington |
Capacity | 40 Rounds |
Platform | AR-15 |
Color | Black |
MPN | MAG233-BLK |
UPC | 873750009698 |
US Shipping & Support
Genuine Magpul, brand new and covered by the manufacturer's warranty. Shipping is free on US orders of $99 or more, and smaller orders ship from $6.95. Questions about fit, mounting or which option suits your setup? Our team is glad to help before and after your purchase.
Frequently Asked Questions
What does the Magazine fit?
Fits AR Rifles.
Is this a genuine Magpul product?
Yes. It is a new, genuine Magpul product sourced through an authorized US distributor.
How much is shipping?
Shipping is free on US orders of $99 or more. Orders under $99 ship at a flat rate from $6.95 to $9.95, depending on the order total.