Empire BT4 Combat combo

- 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
- 1 Year Full Parts And Labor Warranty Through The Manufacturer (Limited Lifetime Warranty)
- Slide-Away Feedport For Easy Cleaning And Maintenance - Offset For Aim And Accuracy
- Lightweight Balanced Construction
- Adjustable Vertical Front Grip
- A5/ Bt-4 Barrel Threads