Dirty Bird AR-15 17-7 Stainless Steel Carbine Buffer Spring

Introducing the Dirty Bird AR-15 17-7 Stainless Steel Carbine Buffer Spring.The Dirty Bird Industries team wanted to figure out a way to make a simple upgrade that could make all of the difference in the world. Using 17-7 Stainless Steel for these buffer springs, there were some noticeable differences:Higher Degree of Strength and HardnessExcellent Fatigue PropertiesGreat Corrosion ResistanceIf you're looking for simple, but effective, upgrades for your AR, the Dirty Bird AR-15 17-7 Stainless Steel Carbine Buffer Spring is a good place to start.Made in the USADirty Bird Industries Lifetime Warranty