Echo1 M28 Hop Up Chamber sig sauer except it contains the internal

except it contains the internal o-ring

we will have an option to fit your style needs

motor and the controller

any blowback unit and bucking will work well with this nozzle

0  - Black: Redesigned and Even Better

Echo1 M28 Hop Up Chamber sig sauer except it contains the internalDESCRIPTION: Echo1 M28 Hop Up Chamber Upgrade Your Precision! Elevate your airsoft game with the Echo1 M28 Hop Up Chamber, the perfect OEM replacement part designed specifically for your Echo1 M28 Sniper Rifle. Ensure flawless performance and enhanced accuracy with this high quality, reliable upgrade. While its tailored for the M28, it may be compatible with other airsoft guns, though Airsoft GI cannot guarantee fitment. Why Choose the Echo1 M28 Hop