Madbull Crawler Barrel A low cost solution for velocity adjustment. Efficiently reduce your AEG's velocity from 30 to 100 ft/sec (depending on your AEG's condition).

Name:Tight Bore Barrel BP229 Part Number:BP229 Introduction: Black Python 229mm Tight Bore Barrel-MP5 / Model 47 Beta MSRP: USD 40 Details: Black Python BP229 229mm Tight Bore Barrel Apply to MP5 / Model 47 Beta seriesBlack Python is our experimental product.

MADBULL Tight Bore 6.03mm BarrelFor SOCOMGEAR MEU Series, Wilson Combat Series and WE M1911 Tactical series

Madbull's Ultimate Tightbore Barrels are now available.  World's first 7075 aircraft aluminum allow airsoft barrel.6.01mm Precision Tightbore,Hard Anodized Coating,Titanium color Finish,Ultimate Tensile Strength & Hardness,*The bore of this barrel is so tight around the BB that even the smallest obstruction could cause a jam when fired.  This barrel is recommended ONLY for advanced/experienced players that take the responsibility to clean their barrels regularly in order to avoid jams.

Systema brass 6.04mm tightbore barrel for AK series.

Systema brass 6.04mm tightbore barrel for G3 series.

Systema brass 6.04mm tightbore barrel for G3 series.

Systema brass 6.04mm tightbore barrel for MP5K length AEG's.

Systema brass 6.04mm tightbore barrel for XM177E2 / M4A1 / SIG551.

Systema 247mm brass barrel for CAR15, P90 and G36C airsoft rifles.  Also compabile with most AEG's for custom applications as well.