The pmag 10 lr/sr gen m3 is a lightweight, reliable magazine for sr25/m110 pattern rifles in the smallest possible magazine size.It features a constant-curve body, high-quality stainless steel spring, self-lubricating anti-tilt follower and a snap on impact/dust cover.The easy-to-disassemble flared floorplate aids extraction and handling of the magazine while providing improved drop protection.*note- compatible with armalite ar-10a, colt le901-16s, core rifle systems core30, jp enterprises lrp-07, kac sr25, larue obr, les baer.308, lmt.308 mws, lwrci repr, mega arms maten, noveske gen iii n6, pof p-308, ruger sr-762, ruger precision rifle, s&w m&p10, sig716, others.Caliber: 308 WinCapacity: 10rdFinish: BlackModel: PMAGMaterial: PolymerModel Fit: AR-10Capacity: 10