AR-15 trigger Assembly
AR-15 trigger Assembly
AR-15 trigger Assembly
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AR-15 Trigger for small pin lower receivers
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AR-15 Trigger for small pin lower receivers
AR-15 Trigger for small pin lower receivers

AR-15 trigger Spring
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AR-15 trigger Spring
AR-15 trigger Spring

AR-15 trigger Pin Small hole receivers
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AR-15 trigger Pin Small hole receivers
AR-15 trigger Pin Small hole receivers .154 Diameter pin.  Most receivers are made for the smaller pin however some Colt models require the larger .170 diameter pins.