The Radian Weapons Raptor-SD Ambidextrous Charging Handle is not compatible with a handful of AR10 rifles that use a proprietary charging handle design. I could not find any information regarding the charging handle of that rifle and whether or not it is proprietary to function properly in that rifle. I recommend contacting Radian Weapons to confirm compatibility.
Thank you for your response, Hunter. I discovered that information as well, and I appreciate you confirming such. I had actually found the solution to the problem; for those whom it may concern: the BHA AR 500 Automax factory issued charging handle can be swapped out for an Aero Precision Breach (I chose the large grip version). Be sure to select a/the DPMS-style gen 1 AR-10/308, and you will be good! Recently installed mine, and it works like a champ.