TiN (Titanium Nitride) is an incredibly hard material that dramatically reduces friction of high wear parts. These parts have a gold plated appearance that will provide a custom look for any AR-15.
Finish: Titanium Nitride is harder than chrome and has a gold appearance and high lubricity. Rockwell 80c hardness.
Gunsmithing Required: No
Made to military specifications and dimensions.
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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