Description
Strike Industries AR 15 Enhanced Lower Parts Kit without GripThe Enhanced Lower parts kit offers a convenient upgrade package for the AR15 for those looking for a complete Strike Industries solution for new builds, or to update their plain jane AR. This kit includes all the basics that you will need to build out your AR (minus grip), but with Strike Industries Enhanced lower parts where applicable.This complete kit includes our fire control group which offers a crisp 4.5-5.5 lb pull, with unmatched smoothness for mil-spec style AR15 triggers. Longitudinally ground and polished sear engagement surfaces coupled with precision cut sear angle equate a vastly improved trigger feel without sacrificing safety or reliability.IncludesSI Enhanced Lower PartsEnhanced Bolt Catch-features improved grip surfaces and anglesEnhanced Magazine CatchEnhanced Magazine Catch Button-features improved grip surfaceEnhanced Pivot Pin- longer of the two large pins.Enhanced Takedown Pin- smaller of the two large pins.SI Selector Lever-2 included in packageSI Selector End PlateSI 60-90° 3-in-1 Selector Shaft- with screwsSpringsBolt Catch Spring- easily confused with the disconnector spring; disconnector spring is tapered though.Buffer Retainer Spring- second largest coil type spring in the kit.Disconnector Spring– slightly larger than bolt-catch spring, identifiable because one end is a little bit wide than the other.Hammer Spring- largest of all the springs.Magazine Catch Spring- this is the largest coil spring in the kit.Pivot Detent Spring- same as the takedown detent spring, so there are two in a kit.Selector Spring- similar to the takedown and pivot detent springs, but larger diameter; there will only be one of these.Takedown Detent Spring- same as the pivot detent spring, so there are two in a kit.Trigger Spring- the smaller of the two largest springs.PinsBolt Catch Plunger– mushroom shaped pinBolt Catch Roll Pin- smaller of the two roll pins.Hammer Pin– solid pin with machined grooves; can be inserted from either side.Pivot Detent- same as takedown detent; both sides usually rounded or semi-conical.Selector Detent- one end is flat, the other pointed/semi-conical.Takedown Detent- same as pivot detent; both sides usually rounded.Trigger Pin- same as hammer pin; can be inserted from either side.Buffer Retainer–large hollow barrel with small pin protruding from the topFire Control GroupTrigger:–Investment cast trigger, CNC machined, heat treated, phosphated, precision groundHammer:–Investment cast hammer, CNC machined, heat treated, phosphated, precision groundNotable FeaturesIncludes SI’s signature Enhanced Lower Parts (AR-EBC, AR-EMC, AR-EPTP, & AR-HS-60/90-3in1)SI’s Trigger Springs provide a consistent 4 ½ to 5 ½ lbs trigger pull with our fire control group
