BT Bt4 Assault Camo Digitial Camo Standard with collapsible car stock, M4 style barrel and M4 style rearsight.� Offset Sideaway Feedport Features: Tournament legal external velocity adjuster Removable grip frame for quick and easy upgrades Easily accepts expansion chambers, vertical and horizontal bottle adapters Works with CO2 or compressed air M-4 style raised rearsight/carrying handle Tactical collapsible car stock M-4 style barrel system Stainless steel bottomline Impact resistant baked on coating Dual Picatinny mounting rails meet Military Standard 1913 Modular trigger system 1 year full parts and labor warranty through the manufacturer Slide-Away Feedport for easy cleaning and maintenance - offset for aim and accuracy For use with 98 barrel� Lightweight balanced construction Adjustable vertical front grip Selecta-barrel adapter allows use of multiple barrel threads

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