If you are looking for a high end gun builder's kit, then this Armaspec Lower Parts Kit is for you. It incorporates all the great products from Armaspec in one package. This is "NOT" a complete lower parts kit. This is a LPK without FCG and Grip. This Kit does not include the Pistol Grip, Trigger and Hammer, Trigger and Hammer Springs, Disconnect and Disconnect Spring. FeaturesIncludes Armaspec Enhanced Lower PartsCompatible with most AR-15 lowers Includes1x Armaspec SFT 45/90 Safety Selector1x Bolt Catch1x Armaspec Enhanced Takedown Pin1x Stainless Steel Takedown detent1x Takedown Detent Spring1x Armaspec Enhanced Pivot Pin1x Stainless Steel Pivot Detent1x Pivot Detent Spring1x Stainless Steel Buffer Retainer1x Magazine Catch1x Magazine Spring1x Armaspec Enhanced Magazine Release Button1x Stainless Steel Bolt Catch Detent1x Stainless Steel Safety Selector Detent1x Bolt Catch Roll Pin1x Bolt Catch Spring1x Buffer Retainer Spring1x Selector Detent Spring1x Armaspec Enhanc...