PDI 6.01mm SUS304 GBB Rifle Barrel (Various Models) Hopup This version allows you to

This version allows you to use 33g co2 cartridges for more shots than the 12g

Ergonomic slotted handguard with Novritsch design

CNC machined upper receiver with integrated 20mm flat top rail

Gearbox V2 with microswitch

PDI 6.01mm SUS304 GBB Rifle Barrel (Various Models) Hopup This version allows you toPrecision barrels from PDI are very precise with high tolerances, which beats 99% of all precision barrels on the market. These are for serious tuners who want the most out of their guns. Internal diameter is 6. 01mm. Made of stainless steel. We produced 01 inner barrel by using new technology of 05 inner barrel. The tolerance is 0. 002mm 05 inner barrels are produced via Cold hammering (this tolerance is the highest quality in our industry). Please