Strike Industries AR Enhanced Lower Receiver Parts Kit
(Type: Without Trigger Hammer Disconnector)

Product Description

Features

• Includes SI's signature Enhanced Lower Parts (AR-EBC, AR-EMC, AR-EPTP, & AR-HS-60/90-3in1)
• SI's Trigger Springs provide a consistent 4.5 to 5.5 lbs trigger pull with our fire control group

The 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.

Kit Includes:

SI ENHANCED LOWER PARTS:

Enhanced Bolt Catch - features improved grip surfaces and angles

Enhanced Magazine Catch

Enhanced Magazine Catch Button - features improved grip surface

Enhanced Pivot Pin - longer of the two large pins

Enhanced Takedown Pin - smaller of the two large pins

SI Selector Lever - 2 included in package

SI Selector End Plate

SI 60-90 3-in-1 Selector Shaft - with screws

SPRINGS:

Bolt 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

PINS:

Bolt Catch Plunger mushroom shaped pin

Bolt 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 top

Manufacturer: Strike Industries

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