The 1UP Racing LowPro 4/5mm Stepped Bullet Plugs (10-Pack) are designed for racers and builders who demand maximum electrical efficiency, secure connections, and clean professional soldering. The oversized contact design delivers ultra-low resistance and an exceptionally tight fit for high-current RC applications.
The stepped 4/5mm design provides excellent versatility — one bullet works with batteries featuring either 4mm or 5mm inputs. Ideal for shops, teams, or racers stocking up on premium connectors.
Key Features
Stepped 4/5mm bullet design — fits both input sizes
Oversized contact area for ultra-low resistance
Low-profile head keeps wiring compact
Deep recessed solder cup for clean solder joints
Compatible with 11–16 AWG wire
10 bullet plugs per pack
Performance Benefits
Maximum current transfer with minimal power loss
Secure, vibration-resistant connection
Consistent, reliable electrical performance
Bulk pack is perfect for team and shop builds
Usage Notes
Fits LiPo batteries with 4mm or 5mm bullet inputs
Solder with 11–16 AWG wire for best current capacity
Ideal for battery leads, charge leads, and power adapters
Pairs perfectly with 1UP Racing LowPro Bullet Grips (sold separately)
