Receivers are stripped and do not include any receiver parts. A2 variants feature a fixed carrying handle, while the A3 models incorporate an integral Picatinny-style rail which provides the flexibility to use a detachable carry handle or any other compatible sighting device. Constructed of durable anodized aluminum with a matte finish.
This product contains just the receiver
Aluminum receiver AR-15 Hammer and Trigger Pin Dimensions:
Some Colt® AR type rifles have been manufactured with hammer and trigger pins and holes which are approximately
.176" in diameter. These are referrend to as "large pin" Colts. This was done to eliminate the chances of someone putting M16
fire control parts into an AR receiver. This is not found in all Colt models, just some.
All other AR type rifle manufacturers have stayed with the .156" diameter hammer and trigger pins and holes, or "small pin"
which is the same spec used in all military M16 rifles.
Measure your pins or the holes in your lower receiver to determine if you have a "small" or "large" hole Colt® AR
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