BT-4 PART #7 DRIVE SPRING
Replacement BT-4 drive spring designed to restore reliable cycling, consistent bolt return, and dependable performance in compatible Empire BT-4 paintball markers.
The BT-4 Drive Spring is a factory-style replacement spring for compatible Empire BT-4 series paintball markers. It plays a critical role in the marker’s internal drive system by helping return and cycle the bolt assembly correctly during operation. When a worn, weakened, or damaged spring affects performance, replacing the drive spring can help restore smoother cycling, more consistent firing, and improved reliability.
This part is commonly referenced on BT-4 parts diagrams as the drive spring and is used within the marker’s internal assembly alongside the drive spring pin or guide, depending on the model diagram. It is intended for BT-4 platform maintenance, repairs, and rebuilds where original performance and dependable operation matter.
Ideal for paintball players, field owners, and technicians, the BT-4 drive spring is an essential spare part to keep your marker functioning correctly and ready for action.
Key Features
• Replacement drive spring for Empire BT-4 series paintball markers
• Helps restore correct bolt cycling and return function
• Supports reliable marker operation and consistent firing
• Ideal for repairs, maintenance, and rebuilds
• Factory-style fit for compatible BT-4 internal assemblies
• Useful replacement for worn, weak, or damaged original springs
• Suitable for players, techs, and paintball field maintenance kits
Specifications
• Product Type: Drive Spring
• Compatibility: Empire BT-4 series paintball markers
• Marker Platform: BT-4 / Battle Tested series
• Function: Supports internal drive and bolt return cycle
• Installation Area: Internal marker assembly
• OEM Reference: Commonly listed as Drive Spring part #19447 on BT-4 diagrams
• Related Part: Drive Spring Pin / Guide often listed separately as part #19448
• Use: Repair, maintenance, replacement, rebuild
• Condition: Replacement spare part
