The Original AR15 / M16 models (601 and 602) had a selector switch with a dimple. All later models dropped this dimple and were flat surfaced only.
In the Pull Down menus (above) there are 4 Options:
Steel
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Standard AR15 / M16 Selector detent spring Can be used with any Milspec semi or full auto hammer.
Trigger Spring for all USGI model AR15 / M16 models. Note: Both Semi and Full Auto Triggers use the
Colt
Flat Spring for the Rear Sight Assembly for all model AR15's / M16's with a carry handle flip Rear S
AR15 or M16 Hammer (Choose from the Pull Down Menu above) If you also need a Hammer Spring (Here)
Standard Milspec AR15 (Semi Auto) and M16 (Full Auto) Triggers. Used in the AR15, M16, M16A1, M16A3
We offer Two different Disconnectors: Semi Auto Full Auto This page is for the Disconnector o
Standard AR15 / M16 Hammer Spring. Can be used with any Milspec semi or full auto hammer.
Standard Stainless Steel AR15 / M16 Gas tubes. Four Sizes available, based on Gas Port leng
Disconnector Spring for all standard AR15 / M16 trigger group disconnectors. Will work in Semi or fu
