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CMMG Lower Receiver Parts Kit for AR-15 - 55CA6C5

7 reviews

You will receive fast, free shipping for all orders over $35

Shipping cost is $5.50 for orders under $35. We ship with UPS and USPS. 

Most orders ship out within 24 hours

You will receive tracking information immediately at the time of shipment. To expedite shipping, we may ship your order from multiple warehouses.  

We have a 90-day no-hassle return policy. We pay return shipping.

If you need to request a return, contact us at and we will send you a return label

After 90 days, defective items will still be covered under the manufacturer’s warranty, where applicable.

Please refer to the product listing for warranty details. If you have specific warranty questions, contact us at We may direct you to pursue your warranty claim directly with the manufacturer.

Your satisfaction is our #1 priority

If you're dissatisfied with your purchase, in any way, please contact us at - we will do our best to make it right.

Product Options

Color coded bags and an easy-to-use parts list will save you time and frustration with this excellent Lower Parts Kit (LPK) for AR-15.


It includes a pistol grip, fire controls and pins necessary to complete stripped lower - everything but the stock and the lower receiver. All parts are Mil-spec and well packaged.

The kit includes: 
Bolt catch
Bolt catch plunger
Bolt catch roll pin
Bolt catch spring
Buffer retainer
Buffer retainer spring
Disconnector spring
Hammer pin
Hammer spring
Magazine catch
Magazine catch button
Magazine catch spring
Pistol grip
Pistol grip lock washer
Pistol grip screw
Pivot pin
Pivot pin detent 
Pivot pin detent spring
Selector detent
Selector detent spring
Takedown pin
Takedown pin detent
Takedown pin detent spring
Trigger guard
Trigger guard roll pin
Trigger pin
Trigger spring

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