SOTAC SI Style Variable Optic Mount for T1/ M5 RDS Red Dot Sight Tactical-Gear-Type_Suppressor Cover The grip is designed to

The grip is designed to improve ergonomics and enhance the overall handling and control of the VFC GBB M249

also known as the Armee-Universal-Gewehr (army universal rifle)

VFC Palm Guarded Grip for Umarex / VFC HK417 / G28 AEG (Black)

and inconsistent air compression

SOTAC SI Style Variable Optic Mount for T1/ M5 RDS Red Dot Sight Tactical-Gear-Type_Suppressor Cover The grip is designed toKey Feature Aluminum Construction Airsoft RDS Mount (Lightweight) Suitable For T1 M5 RDS Red Dot Sight Holds zero even after reassembly Stable and clear gradual height adjustment with notched rail Adjustable height from 1 3 Co Witness to 49mm Fit to Mount on 20mm Picatinny Rail