BT-4 SWAT

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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
- Stainless steel bottomline
- Impact resistant baked on coating
- Dual Picatinny mounting rails meet Military Standard 1913
- Modular trigger system
- Slide-Away Feedport for easy cleaning and maintenance - offset for aim and accuracy
- Lightweight balanced construction
- Adjustable vertical front grip
- Selecta-Barrel adapter allows use of multiple barrel threads
- M-4 raised rear sight / carrying handle
- Combat stock
- Clip expansion chamber
- AK barrel system