Airsoft GBB Blow Back Units – Smooth Cycling & Realistic Recoil

Upgrade or repair your gas blowback rifle or pistol with high-quality GBB blow back units from Bullseye Country Sport. Designed for smooth slide movement, consistent FPS, and reliable gas efficiency, these essential GBB parts help maintain strong recoil and dependable cycling in every shot.

Whether you're replacing worn components or building a custom setup, our GBB blow back units provide the durability and precision needed for consistent on-field performance. Compatible with a wide range of popular gas blowback platforms, they’re ideal for maintenance, upgrades, and performance tuning.

Shop the collection today and keep your airsoft GBB performing at its best.