JP Rifles Custom Operating Spring Large Frame Carbine

JP Rifles Custom Operating Spring Large Frame Carbine

Precision centerless ground and polished operating springs offer a smoother and quieter operation in AR buffer tubes. Improved impulse feel results in faster sight recovery and improved reliability. 

• Custom Centerless Ground and Polished Operating Spring
• Large-Frame Carbine Length

9mm Carbines: This is the buffer spring JP recommends for use with 9mm carbines.