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Do I need to change any other parts to install this part? — 2 Answers

by Tim, from NV, United States Asked on January 3, 2023

Name POF USA AR-15 Roller Cam Pin Assembly (4.6)
$60.00 $56.00 Save $4.00
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Answered by Ethan, Gear Expert, from IL, United States, on January 31, 2023

The POF USA AR-15 Roller Cam Pin Assembly is a drop in fit for most piston AR bolt carrier groups. If you wish to upgrade a mil-spec carrier, you will need the POF USA Roller Cam Pin with Modified Gas Key, which can be found by using the link below:
https://www.opticsplanet.com/pof-usa-roller-cam-pin-with-modified-gas-key-ar15-223-rcpk223.html

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Answered by Meshach, guest, from MD, United States, on December 19, 2024

As stated below you need the associate gas key, BUT you can use a Dremel or file to cut out enough of your original gas key to allow the roller cam to pass it just don't go wild and cut too deep I haven't had any issues doing this on several.

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Last updated 2025-11-12 UTC.