Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart

It says ar15/10 and that it’s a PCC for 9mm so can I put this in my Ar15 lower to shoot 5.56? — 3 Answers

by Park, from VA, United States Asked on September 24, 2021

Name CMC Triggers AR-15/AR-10 9mm PCC Single Stage Drop-In Trigger (4.9)
$189.99 $174.00 Save $15.99
View Product
Continue As a Guest
Saving...
Sign In or Create an Account (optional)
Why use an OpticsPlanet.com account for my questions and answers?

Having an account with OpticsPlanet.com makes writing questions and answers even better! We’ll save all of your questions and answers in your account, provide you easy access to them, so you can see how the community has responded.

If you’d like to add a question without creating an account, you can proceed with filling out the fields on this form.

Show
Sort by
Filter by
Expert Answer
A
Answered by Patrick, Gear Expert, from IL, United States, on October 05, 2021

No, you would need the regular AR10/AR15 tigger.

1 of 11 found the following answer helpful.
Was it helpful to you? Yes | No
A
Answered by Taz, member, from VA, United States, on December 01, 2021

This contradicts your other experts answers, as they say it works. I have also seen it used in others ar10’s without issue.

2 of 2 found the following answer helpful.
Was it helpful to you? Yes | No
A
Answered by Hellphoenix, member, from WI, United States, on November 21, 2023

I moved it from my PCC to my AR15.. works without issue

1 of 1 found the following answer helpful.
Was it helpful to you? Yes | No