D&h Tactical Magazine 5.56x45 10rd Aluminum Grey Ar15. 56x45 airsoft rifles. Able to hold 10-rounds of 5.56x45 airsoft ammo this magazine features an aluminum body for durability. The 5.56x45 magazine uses the industry standard 5.56x45mm threads. The body of the magazine is made of hard-anodized aluminum and is single-piece constructed so that it may be disassembled easily. The body of the magazine is anodized grey to match D&H Tactical's existing product line. To preserve magazine durability it is strongly recommended that you only use a magazine w/ a spring-loaded follower or magazine where the spring is located near the follower not directly against it. Caution: Magazines with a sleeve near the spring need to be reseated entirely upon re-insertion; loose inserts may occur. Specifications for D&h Tactical Magazine 5.56x45 10rd Aluminum Grey Ar15: Manufacturer: D&H Tactical Color: Matte Grey Fabric/Material: Aluminum Magazine Capacity: 10 Round Caliber: .223 Remington Gun Model: AR-15 Quantity: 1 Height: 1.25 in Features of D&h Tactical Magazine 5.56x45 10rd Aluminum Grey Ar15: Heat Treated Aircraft Aluminum Laser Welded Body Black or Grey Teflon - Hard Coat Anodized 17-7PH Spring for Ultimate Protection Against Corrosion Magpul Anti-Tilt Follower Use With AR15 M16 and M4 Rifles Package Contents: D&h Tactical Magazine 5.56x45 10rd Aluminum Grey Ar15 What firearm models does the manufacturer say D&h Tactical Magazine 5.56x45 10rd Aluminum Grey Ar15 is compatible with? The manufacturer says that D&h Tactical Magazine 5.56x45 10rd Aluminum Grey Ar15 is compatible with AR-15