Mars Trigger Knuckle Duster Tactical Grip Black. Enhanced grip texture and ergonomic design reduces fatigue. Specifications for Mars Trigger Knuckle Duster Tactical Grip: Manufacturer: Mars Trigger Color: Black Gun Make: Kalashnikov Gun Model: AK-47 Features of Mars Trigger Knuckle Duster Tactical Grip Impact-resistant polymer Easy installation Enhanced grip stability Aggressive finger grooves Palm swells Package Contents: Mars Trigger Knuckle Duster Tactical Grip What firearm models does the manufacturer say Mars Trigger Knuckle Duster Tactical Grip is compatible with? The manufacturer says that Mars Trigger Knuckle Duster Tactical Grip is compatible with AK-47Mars Trigger A026-CMP-001-V01: Knuckle Duster Tactical Grip Black