BATTLEGRIP series grips feature soft, hand filling forms devoid of sharp edges to mitigate fatigue. Curved grip back strap minimizes recoil discomfort while their trademark texture provides a positive non-slip surface rain or shine. Patented weather-resistant access allows secure multiple battery storage options inside grip housing. Keeps spare power where it needs to be- on the gun. BG-16 BATTLEGRIP fits all M4/ M16/ AR-15 type rifles & carbines, and AR-10/SR-25/MK11. Most weapon receivers configured to fit the M16/AR-15 type grip will also accept the BG-16.