California and shipping
- Status: Firearm. A stripped or complete lower receiver requires an FFL transfer.
- Delivery: Ships to WBT in La Mesa or to the California gun store you choose. DROS and the 10-day wait are completed at pickup.
- Finishing the build: Build it featureless or with a fixed-magazine kit to keep it California-legal. We stock both and can do the work for you.
- Learn more: Featureless or fixed magazine: which fits your build · FAQ
About this lower receiver
CMMG Lower Receiver Mk4/AR15 Armor Black is a lower receiver. Finish: Black.
Manufacturer details
Precision machined from forged 7075 T6 aluminum, the CMMG Mk4 AR15 lower receiver is the quality mil-spec lower ready to be the foundation for your next build. The Mk4 stripped lower comes standard in Armor Black Cerakote finish and can be assembled using any mil-spec Lower Parts Kit.
Features
- CMMG MK4/AR15 STRIPPED LOWER RECEIVER FOR AR-15
- SPECS
- Platform Mk4
- Lower Receiver Mk4 Forged 7075 T6 Aluminum
- Finish Armor Black Cerakote
Specifications
- Brand: CMMG
- Finish / color: Black
- Fits: AR-15
- Manufacturer part #: 55CA102-AB
- UPC: 810097506466
Buying from WBT Guns
- Payment: Pay in full, put 50% down with the balance due in 14 days, or finance with Credova.
- Paperwork: Firearm Safety Certificate, DROS and California's 10-day waiting period apply to receivers. We handle each step with you at pickup.
- Questions: Call (619) 667-9453 or email sales@wbtguns.com. FAQ
WBT Guns is family-owned in La Mesa, California, and has configured firearms for California buyers since 2012.
A note on accuracy. We work hard to keep every listing correct, but specifications, images and compliance details come from many sources and can contain errors or change without notice. Images may show a configuration that is not California-legal. If a detail on this page matters to your decision, call us and we will confirm it against the actual firearm before you order. The compliance information here is general in nature and is not legal advice; California and local laws change, and the configuration described is confirmed at the time of sale. All sales are subject to applicable federal, state and local law and to the buyer's eligibility to purchase.
