Product Description
The Strike Industries SI-AR-E-LRPTH AR Enhanced Lower Receiver Parts with Trigger, Hammer, and Disconnector is a high-quality upgrade for your AR rifle that will enhance its performance and reliability. Precision-engineered and expertly crafted, these components are designed to optimize the function of your firearm.
Crafted from durable materials, each part in this kit is built to withstand the rigors of regular use and provide consistent performance over time. The enhanced trigger, hammer, and disconnector work together seamlessly to deliver smoother and more consistent trigger pulls, improving your accuracy and control with each shot.
PACKAGE CONTENTS
SI ENHANCED LOWER PARTS:
- Enhanced Bolt Catch - features improved grip surfaces and angles
- Strike Magazine Catch
- Strike Magazine Catch Button
- 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
PRODUCT FEATURES:
- Includes SI's signature Enhanced Lower Parts (AR-EBC, New improved SI-SMC, AR-EPTP, & AR-HS-60/90-3in1
- SI's Trigger Springs provide a consistent 5.5 ½ to 8 ½ lbs trigger pull with our fire control group
- Phosphate grigger and hammer are CNC machined investment cast, heat treated, precision ground.
