Description
- Piano Flat Wire Spring Fits A1/A2 Tubes, Carbine Length .223 5.56 Tubes, AR10 and .308 Fixed Stock with an A1/A2 Tube.
- Chrome Silicon Alloy Spring Is Heat-Treated, Stress Relieved and Shot Peened To Increase Reliability and Service Life.
- Provides a Flatter Recoil Impulse. Requires About 7% Less Force to Fully Compress than Standard Springs.
- Less than 2% Change In Spring Loading Through 500,000 Compression Cycles. Duty Rated for 1,000,000 Cycles.
- MADE IN THE USA.
Official Product of Ultimate Arms Gear, Brand New.