In Stock
CMMG FourSix Mk4 AR-15 Magazine 4.6x30mm 40-Round Polymer Black
Sold byMidwayUSA•Posted Apr 27, 2026
Compare prices for CMMG FourSix Mk4 AR-15 Magazine 4.6x30mm 40-Round Polymer Black$26.49
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Deal Summary
- Currently in stock.
- Caliber: 223/5.56
- Category: parts
- UPC: 810046236253
- SKU: 954324
- Brand: Cmmg
Price History
Deal Details
The CMMG FourSix Magazine is designed exclusively to feed the 4.6x30mm cartridge. Designed to seat into a standard AR15-sized magwell in order to feed the CMMG FourSix upper receiver along with either a CMMG Mk4, or other AR15 lower group of your choice. The 10 round capacity magazine features the same profile and size as the 40rd FourSix magazines and similar exterior dimensions to most 30rd 5.56mm AR15 magazines, but are limited to 10 rounds to remain complaint in restricted areas.
Other Offers for This Product
Active offers from your catalog for CMMG FourSix Mk4 AR-15 Magazine 4.6x30mm 40-Round Polymer Black.
Comparing 4 retailers carrying this product
Lowest Price: $22.82
Highest Price: $39.79
You Save: $16.97
Avg Discount: 6% off
CMMG 4.6x30mm Magazine 40rd Compatible with AR15 Lower Receiver
CmmgShooting SurplusSKU/UPC: CMMG-46AFC8F
$23.20
View at Shooting SurplusCMMG FourSix Mk4 AR-15 Magazine 4.6x30mm 40-Round Polymer Black
CmmgMidwayUSASKU/UPC: 954324
$26.49
View at MidwayUSA
CMMG MAGAZINE MK4 / AR15 4.6X30 40RD A26E2083 CMM
CmmgOptics PlanetSKU/UPC: 2CM-RM-A26E2083-46AFC8F-40RD
$39.79$52.59Save 24%
View at Optics Planet