Sprinco M4 / AR-15 Blue Enhanced Power Carbine Buffer Spring


This blue coded recoil spring it is optimal for use with 5.56 AR-15s with a mid-length gas system and carbine buffer tube. Sprinco has extensively tested this setup and have concluded that it works great with 5.56 AR-15’s with a barrel length from 12.5” to 16” and either a standard or H2 buffer weight.

Out of stock