Chrome silicon alloy spring is heat-treated, stress relieved and shot peened to increase reliability and service life. Spring fits both carbine and standard length stocks.
Bolt load is increased by 10% compared with Tubb round wire buffer springs
Provides a flatter recoil impulse
Requires about 6% less force to fully compress than Tubb round wire buffer springs
Less than 2% change in spring loading through 500,000 compression cycles
Duty rated for 1,000,000 cycles
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