The Raptor™ is truly revolutionary in design & function. From rapid palm “blading” or finger thumb charges of the weapon, the motion is fluid & fast from either strong or support side. Made in the USA from aircraft grade 7075 aluminum and MILSPEC anodized.Examples of popular models which AR10/SR25 is compatible: Aero M5, STAG-10, Armalite AR10, Knights Armament SR25, Daniel Defense DD5 V3, V4, V5, DPMS Gen1, and many others using DPMS Gen1 or Armalite AR10 platform.____________________NOT COMPATIBLE WITH:SIG716, Savage MSR10, Smith and Wesson M&P10 these models use proprietary charging handle designs.