Blitzkrieg Components Sprinco AR15 Carbine Standard Power Buffer Sprin White. 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: Sprinco USA 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 What firearm models does the manufacturer say Blitzkrieg Components Sprinco Power Buffer Spring AR15 Carbine is compatible with? The manufacturer says that Blitzkrieg Components Sprinco Power Buffer Spring AR15 Carbine is compatible with AR-15Blitzkrieg Components SPRINCO-25003: Sprinco AR15 Carbine Standard Power Buffer Sprin White