Amazon.com : D99 LPEG Full-Auto M4 RIS AEG Airsoft Rifle w/ Scope, Battery and Charger Included : Sports & Outdoors
Trijicon ACOG TA31RCO BAC Rifle Scope 4x 32mm M4 Military Version
Colt M4 Semi-Automatic Carbine with Scope | Rock Island Auction
Bbrand M4 1x30mm Red Green Dot Sight Side Mount Reflex Sight Micro Brightness Adjustable Red Green Dot Sight Rifle Scope, 4-5 MOA Dot Size with Len Covers - High Speed BBs