The Magpul PMAG 40 GEN M3 Magazine is an AR15/M4 magazine with a 40-round capacity. This 5.56 magazine is constructed with durable polymer and constant curve geometry, offering a long lifetime of reliable feeding. An over-travel insert stop on this 40-round PMAG ensures the magazine is seated properly. A flared floorplate allows easy disassembly, while a paint-pen dot matrix provides an easy way to mark the magazine for quick identification. Made in the USA, the Magpul PMAG 40 GEN M3 Magazine is built to exceed military performance specs for enhanced durability and reliability.
Crush-resistant polymer construction
Paint-pen dot matrix for easy markup and identification
Flared floorplate offers easier handling and disassembly
Over-travel stop on spine ensures proper magazine seating
Constant curve geometry and anti-tilt follower for smooth feeding
Modified dimensions compatible with both Colt-spec and non-Colt-spec firearms