We offer a value priced assortment of precision machined stainless steel hammer / trigger pins for high volume professional AR15 assemblers and manufacturers.  Our AR15 Builder's Receiver Pin Kit comes pre-packaged with the following sizes and quantities of parts:

Quan 5 PAIRS - .154 Hammer / Trigger Receiver Pins
Quan 5 PAIRS - .155 Hammer / Trigger Receiver Pins
Quan 3 PAIRS - .156 Hammer / Trigger Receiver Pins
Quan 2 PAIRS - .157 Hammer / Trigger Receiver Pins

Individual pairs of pins can be purchased separately to resupply pins as consumed so you will always have the correct receiver pins available on hand.

In addition to the precision CNC machined stainless steel pins, also included is 5 sets of premium Stainless Steel Receiver Bushings and Hex Head Hammer / Trigger Pins from our STBA^Tm - STAINLESS TRIGGER & BUSHING ASSEMBLY for AR15/M16 kits.  Included specifically is:

Quan 5 PAIRS - Left Side Stainless Steel Receiver Bushings
Quan 5 PAIRS - Right Side Stainless Steel Receiver Bushings
Quan 5 PAIRS - Hex Head .154 Stainless Steel Receiver Pins
Quan 1 - Receiver Bushing Installation Bushing Tool
Quan 1 - Drill Bit

Individual pairs of bushings and pins can be purchased separately to resupply parts as consumed so you will always have the correct parts available.

This money saving kit has enough pieces to assemble 20 AR15 lower receivers at a significant price savings compared to purchasing the parts individually.