CMC AR-15 Lower Receiver Parts Kit – Less Trigger Assembly
$29.68
CMC AR-15 Lower Receiver Parts Kit – Less Trigger Assembly
A crucial component for building or upgrading an AR-15 lower receiver, this parts kit includes various internal components and hardware for a complete installation. Suitable for amateur to expert gunsmiths. For use with AR-15 rifles chambered in 5.56/223 caliber, operating in semi-automatic action.
112 in stock
Fire control group and grip NOT included.
CMC Triggers Complete Lower Receiver Parts Kit for AR-15 is a great addition to your AR15 build. Suitable for amateur gun builder to seasoned expert gunsmith.
- Bolt Catch
- Bolt Catch Plunger
- Bolt Catch Spring
- Bolt Catch Roll Pin
- Mag Release
- Mag Release Button
- Mag Release Spring
- Buffer Retainer Spring
- Safety
- Buffer Retainer
- Safety Detent Spring
- Safety Detent
- Trigger Guard
- Trigger Guard Roll Pin
- Take-down Detent Springs
- Take-down Detent
- Take-down Pins
| Weight | 0.175 lbs |
|---|---|
| Dimensions | 4.650 × 2.300 × 0.900 in |
| Manufacturer | Cmc Triggers |
| Finish | not specified |
| Weight | not specified |
| Compatible With | AR-15 |
| Material | various |
| Dimensions | not specified |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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