Whether you want to keep your Mk3 lower build simple with a Mk3 Lower Parts Kit or switch things up with CMMG’s Gunbuilder’s Lower Parts Kit and an AR10 Drop-In Trigger, the Mk3 Stripped Lower features AR-15 like modularity and can even utilize the same Pistol Grips. Check out our Buffer Tube and Stock Kits to finish out the Mk3 Stripped Lower. Accepts LR308/SR-25 pattern magazines. Available in seven different Cerakote finishes.
Lower Receiver Assembly MK3 Armor Black
- Caliber
- 308 Win
- Action
- Semi-Auto
Transfer & restrictions
- FFL Transfer
- Required. Ships to a licensed dealer near you, never to your door. How it works
- At Pickup
- Background check (Form 4473) + photo ID, completed at your FFL.
- Your State
- Check what ships to your state
Specifications
- SKU
- 810097506183
- Brand
- CMMG
- Caliber
- 308 Win
- Action
- Semi-Auto
- Frame Material
- Billet 7075 T6 Aluminum
- Finish
- Black
- Country of Origin
- USA
- MFR Part #
- G38CA2ACAB
- UPC
- 810097506183
How an FFL transfer works
Order online
Add to cart and check out like anything else. You pay securely up front.
Pick your FFL
Choose a licensed dealer near you. We ship the firearm to them — never to your door.
Complete the transfer
At pickup you fill out the ATF Form 4473 and pass the standard background check.
Take it home
Cleared? It’s yours — often the same day. That’s the whole process.
It’s simpler than it sounds — there’s no paperwork to handle before you get there.
Read the full FFL guide
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