TTI Airsoft Series Infinity One Piece Full CNC TDC Hop Up Chamber For SRC G17 Gen5 MOS GBB Airsoft (

Key Features: CNC 7075 Aluminum Construction Airsoft Hop Up Chamber With Top Dead Center TDC Hop Up Adjustment System This Hop Up Adjustable by 1.5mm hexagonal wrench Suitable For SRC G17 Gen5 MOS Gas Blow Back GBB Airsoft Pistol