LV patch HopUp Airsoft

Rocket Airsoft AK Aluminum Red Metal Hopup Chamber – Airsoft Atlanta

TNT Airsoft Upgrade Complete Hop-Up Chamber and Bucking Set for S&T M1903 Airsoft Bolt Action Rifles, Accessories & Parts, Spring Rifle Internal Parts, Sniper Rifle Hop-Up - Airsoft Superstore

Soft Air Thompson 1928 Electric Powered Airsoft Gun with Adjustable Hop-Up, 400-450 FPS, Black, One Size, (43901) : Airsoft Shotguns : Sports & Outdoors

What is Hop-up Airsoft? Is It a Necessity & How Does it Work?

Prometheus Wide Use Rotary Style Hop-up Chamber for M4/M16 Airsoft AEGs (Version: G&G Spec), Accessories & Parts, AEG Internal Parts, Hop-Up, M4 / M16 Series Hop-Up - Airsoft Superstore

Action Army B01-013 VSR10 Hop Up Chamber for Tokyo Marui VSR10 / Well (Taiwan)

Elvish Tac R-Hop Patch Laser Cut R-Hop Barrel Patches

T-N.T. CNC Aluminum Hop-Up Chamber for WE M14 / EBR GBB Airsoft

Retro Arms CNC Machined Aluminum Rotary Hop-Up Unit for M4 Series Airsoft AEGs, Accessories & Parts, AEG Internal Parts, Hop-Up, M4 / M16 Series Hop-Up - Airsoft Superstore

Maple Leaf VSR-10 Hop Up Chamber Block – Airsoft Atlanta

TDC Modification - Gunfire

LV patch HopUp Airsoft

ICS XAE Adjustable Hop Up Gas Blowback Airsoft Pistol - TAN/BLACK

Lancer Tactical 400 FPS Airsoft AK47 RIS AEG Airsoft Metal Rifle with Fixed Rifle Stock, Battery and Charged Included- Color Black : Sports & Outdoors