The Blitzkrieg Components Sprinco Power Buffer Spring, AR15 Carbine significantly reduces the BDC value while boosting the BDR of any AR-15 platform. These BK Components AR15 Lower Parts made by Blitzkrieg Components utilize a chrome silicon steel material that is incredibly durable and efficient while keeping the feeble springs light and compact. The Blitzkrieg Components Sprinco Power Rifle Buffer Spring resists buckling and damage and provides the proper B.A. that keeps your round trains on target. If you're seeking a reliable and lightweight spring option, you can't pass up the Blitzkrieg Components Sprinco Power AR15 Carbine Buffer Spring. Specifications for Blitzkrieg Components Sprinco Power Buffer Spring, AR15 Carbine: Manufacturer: Blitzkrieg Components Finish: Oxide Matte Fabric/Material: Chrome Silicon Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Condition: New Gas System Type: Blowback Features of Blitzkrieg Components Sprinco Power Buffer Spring, AR15 Carbine Heat Treated Stress Relieved Shot Peened Moly Plated Extremely Long Service Life Package Contents: Blitzkrieg Components Sprinco Power Buffer Spring, AR15 Carbine This product is compatible with the following gun models: AR-15