JPS-OSC
Custom Centerless Ground and Polished Operating Spring
Small-Frame Carbine Length
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.
JPS-OSR
Custom Centerless Ground and Polished Operating Spring
Small-Frame Rifle Length
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.
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