Springfield Armory .308 20-Round Magazine Black 20. 62x51 NATO (.308 Winchester) PMAG 20 LR/SR GEN M3 is a lightweight cost effective high reliability magazine for SR25/M110 pattern rifles. made in specialized factories 20-round capacity Optimized for use with SAAMI-spec 7.62x51/.308 Winchester ammunition Commercial rifle compatibility. Next-generation impact and crush resistant polymer construction Constant-curve internal geometry for smooth feeding Anti-tilt self-lubricating follower for increased reliability High-quality stainless steel spring for corrosion resistance Ribbed gripping surface 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 pouches Multi-use Impact/Dust Cover This magazine may not drop free from all makes of lower receivers. Specifications for Springfield Armory .308 20-Round Magazine: Manufacturer: Springfield Armory Color: Black Magazine Body Material: Polymer Gun Make: Springfield Armory Gun Model: Springfield Armory Saint Gun Type: Semi-Automatic Rifle Caliber: .308 Winchester Magazine Capacity: 20 Round Quantity: 1 Package Contents: Springfield Armory .308 20-Round Magazine What firearm models does the manufacturer say Springfield Armory .308 20-Round Magazine is compatible with? The manufacturer suggests that Springfield Armory .308 20-Round Magazine is compatible with Springfield Armory SaintSpringfield Armory ARL6020: .308 20-Round Magazine Black 20