Magpul Industries PMAG 10 GEN M3 Magazine AR-15/M4 .223/5.56 10-Round Black 3-pack MAG559-BLK. 223/5.56 Magazine is optimized for Colt-spec AR15/M4 platforms and also features modified internal and external geometry permitting operation with a broad range of firearms. These AR Rifle Magazines by Magpul Industries are truly designed to increase performance with low profile ribs aggressive front and rear texture patterns a USGI-spec stainless steel spring four-way anti-tilt follower and more. Magpul Industries PMAG 10 GEN M3 AR-15/M4 10-Round .223/5.56 Magazine features easy tool-less disassembly for cleaning. Get a next generation trigger get a Magpul Industries PMAG 10 GEN M3 AR-15/M4 10-Round .223/5.56 Magazine. Specifications for Magpul Industries PMAG 10 GEN M3 AR-15/M4 10-Round .223/5.56 Magazine: Manufacturer: Magpul Industries Color: Black Fabric/Material: Crush Resistant Polymer Magazine Capacity: 10 Round Caliber: 5.56x45mm NATO .223 Remington Gun Make: AR Platform Gun Model: M4 AR-15 Condition: New Features of Magpul Industries PMAG 10 GEN M3 AR-15/M4 10-Round .223/5.56 Magazine: Next-generation impact and crush resistant polymer construction Modified dimensions allow for wider compatibility with non Colt-spec platforms Constant-curve internal geometry for smooth feeding Anti-tilt self-lubricating follower for increased reliability Long life USGI-spec stainless steel spring for parts commonality Over-travel insertion stop on the spine Ribbed gripping surface and new aggressive front and rear texture for positive magazine handling Paint pen dot matrix panels on the bottom of the body to allow for identification marking Flared floorplate aids magazine handling and disassembly yet is slim enough for use with many double and triple pouches Package Contents: Magpul Industries PMAG 10 GEN M3 AR-15/M4 10-Round .223/5.56 Magazine What firearm models does the manufacturer say Magpul Industries PMAG 10 GEN M3 AR-15/M4 10-Round .223/5.56 Magazine is compatible with? The manufacturer says that Magpul Industries PMAG 10 GEN M3 AR-15/M4 10-Round .223/5.56 Magazine is compatible with AR-15 M4