Sprinco M4 / AR-15 Red Extra Power Carbine Buffer Spring

Sprinco AR-15 carbine buffer springs are made from high quality Chrome Silicon wire stock which is used in a variety of applications from Formula One to motor valve springs which can see up to 15,000,000 compression cycles in a single race. This makes it the perfect choice for a carbine which will see far less cycles than that over it’s lifetime. In order for this carbine buffer spring to retain its strength, Sprinco heat treats, shot peens, and treats each spring with a proprietary formula that retains spring efficiency for as long as you have your rifle. The Sprinco extra power carbine buffer spring is a great option to improve the long-term reliability of your AR-15.

Features:

• For carbine length buffer tubes
• Color coded red
• Extra power
• Made from chrome silicon wire stock
• Heat treated and shot peened

This recoil spring is color coded red indicating that it is optimal for use with 5.56 AR-15s with a carbine length gas system and buffer tube with a 16” barrel. Sprinco has extensively tested this setup and have concluded that it also works great with thumper cartridges like .458 SOCOM, 6.5 Grendel, .450 Bushmaster, and more. It also helps you to easily identify which power spring you have in your AR-15 if you have a habit of changing your setup constantly.