Gibbs Arms G4 Left Handed Upper Receiver – Optimized for Left Handed Shooters, Enhanced Side Charging

Gibbs Arms G4 Left Handed Upper Receiver – Optimized for Left Handed Shooters, Enhanced Side Charging

The Gibbs Arms G4 Left Handed Upper Receiver is designed for left-handed shooters seeking superior functionality and ease of operation. Featuring a patented side-charging handle system, this upper receiver ensures a smooth, non-reciprocating charging handle and optimal performance without modification.

Key Features:

• Left-Handed Design: Patented, non-reciprocating charging handle on the right side for ease of operation and ergonomic handling.
• Charging Handle: GIBBZ Arms Patented Pending Charging Handle with detent to keep the handle securely forward during operation.
• Compatibility: Uses all left-handed Mil-Spec and most left-handed custom bolt carriers without modification.
• Ejection Port: Enlarged ejection port on the left side to accommodate 458 SOCOM and beveled for smoother ejection.
• Picatinny Rail: Full 15-slot Picatinny rail for versatile optics and accessories mounting.
• Bolt Carrier Door: Rear bolt carrier door makes bolt carrier removal quick and easy while containing gasses during operation.
• Compatibility: Works with Mil-Spec lowers and most other lower receivers.
• Enhanced Cam Pin: Includes G4 Enhanced Cam Pin with a nitride coating, optimized specifically for the G4 side charging upper receiver.
• Charging Handle Cover: Helps mitigate excess operating gasses to improve overall performance.
• Weight: 13.0 oz for a lightweight, robust design.

Important Notes:

• Cam Pin Warning: The G4 Enhanced Cam Pin must be used in the G4 Side Charging Uppers. Using a standard cam pin may cause the Bolt Carrier Group to lock up, making removal difficult and potentially damaging the upper receiver.
• Handguard Compatibility: This upper receiver is not compatible with handguards that have anti-rotation tabs without modification.