Taran Tactical Innovations PMAG AR-10 Rifle Magazine w/ FB 25 Rounds Black/Flat Black 25. The PMAG 25 LR/SR GEN M3 Window is a lightweight cost effective highly reliable 25-round magazine for SR25/M110 pattern rifles chambered in 7.62x51 NATO (.308 Winchester). Featuring next-generation impact and crush resistant polymer construction constant-curve body and anti-tilt follower. Designed specifically for SAAMI-spec ammunition the PMAG 25 LR/SR also features transparent MagLevel windows to allow rapid visual identification of approximate number of rounds remaining. Specifications for Taran Tactical Innovations PMAG AR-10 Rifle Magazine w/ FB: Manufacturer: Taran Tactical Innovations Color: Black/Flat Black Magazine Capacity: 25 Round Gun Model: AR-10 Gun Type: Rifle Package Contents: Taran Tactical Innovations PMAG AR-10 Rifle Magazine w/ FB Basepad OEM Magazine What firearm models does the manufacturer say Taran Tactical Innovations PMAG AR-10 Rifle Magazine w/ FB is compatible with? The manufacturer suggests that Taran Tactical Innovations PMAG AR-10 Rifle Magazine w/ FB is compatible with AR-10Taran Tactical Innovations PMBP-CM-308-00: PMAG AR-10 Rifle Magazine w/ FB 25 Rounds Black/Flat Black 25