The CMMG AR-15 Lower Parts Kit has all of the components necessary to turn your stripped AR-15 lower receiver into a functional AR-15 lower. These parts are what controls the firing sequence, magazine retention, selector operation, and ensures a reliable rifle once fully assembled. CMMG has taken the additional step to put the small parts into color coded bags, making identification of similar looking parts easy for first time builders.

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 American Owned and Operated

20+ Years In Business


The CMMG AR-15 Lower Parts Kit is a premium lower parts kit featuring parts that are all Made int the USA. CMMG has a solid decade of production experience with the AR-15 platform that includes not just lower parts kits, but complete rifles in various configurations unique to the market. Through this long track record of production experience, CMMG has built up manufacturing methods for parts that result in a superior product that meets or exceeds current military standards.

Each CMMG AR-15 Lower Parts Kit has all of the components necessary to build a functional lower receiver when paired with your AR-15 stripped lower receiver. When assembling your lower receiver from a stripped lower and a CMMG lower parts kit, you will gain insight into how your AR-15 rifle operates and functions. This new knowledge is not only satisfying but can be applied to help troubleshoot any functional issues with your AR-15 after assembly or anytime in the future.

  • Complete AR-15 Lower Parts Kit
  • Made in the USA
  • Color Coded Packages
  • Easy to Identify Parts and Install

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Customer Reviews

Great Price
Review by Sander Z.
Verified Buyer
Cost is wonderful and shipping was quick.
Thanks keepshooting
Review by Jovon O.
Verified Buyer
Price is great and shipping was quick.
Excellent Deal
Review by Kaycee U.
Verified Buyer
Best AR15 lower parts kit for the price from a terrific company. Thank you keepshooting!
Very Happy
Review by Randen U.
Verified Buyer
lower parts kits look good. Exactly what I needed.
Great Website
Review by Seneca F.
Verified Buyer
Functions great as a spare lower parts kit for my AR15.
Just as described.
Review by Adelbert K.
Verified Buyer
Fast Processing
Review by Hamlet Z.
Verified Buyer
The replacement parts are great. Would definitely recommend.
Perfect Company
Review by Jordano N.
Verified Buyer
These AR15 lower parts kit are excellent. Would recommend.
Rapid Shipping
Review by Deandre L.
Verified Buyer
Good Item
Review by Raunel P.
Verified Buyer
5 Star

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