Magpul PMAG M3 30 Round Magazine 300BLK - Modified Coyote Brown
or 4 interest-free payments of $4.03 with
6 Magazines Per Order: Due to extreme volume, we are limiting sales of magazines to 6 per customer order. This applies to individual and bundled magazines. AT3 reserves the right to cancel any order over the 6 magazine limit.
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- 90-day no-hassle returns policy
- Backed by Magpul Warranty! what it covers
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From orders that included this itemProduct description
Magpul PMAG M3 30 Round AR-15 Magazine – 300 Blackout – MCT Coyote
Features
- 30-round magazine optimized for .300 Blackout cartridges
- Dedicated internal geometry improves feeding of both supersonic and subsonic loads
- Anti-tilt, self-lubricating follower for consistent reliability
- Stainless steel spring for long service life
- Durable polymer body with GEN M3 enhancements
- Paint pen dot matrix for easy identification and load marking
- MCT (Medium Coyote Tan) color helps distinguish from standard 5.56 magazines
The Magpul PMAG M3 30-round magazine for .300 Blackout is purpose-built to handle the unique geometry of the cartridge. Unlike standard 5.56 magazines, it features optimized internal dimensions that improve feeding reliability with both subsonic and supersonic loads.
Constructed from durable polymer with a stainless steel spring and anti-tilt follower, the GEN M3 platform is designed for long-term reliability under hard use. The MCT color also provides quick visual identification to help prevent caliber mix-ups in mixed-mag setups.
Specifications
- Brand: Magpul Industries
- Model: PMAG M3
- MPN: MAG800-MCT
- Caliber: 300 Blackout
- Capacity: 30 Rounds
- Material: Polymer
- Spring: Stainless Steel
- Color: MCB (Medium Coyote Brown)
What’s Included
- 1x Magpul PMAG M3 30-Round Magazine
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Warranty & returns
Backed by Magpul Warranty!
Magpul Warranty Information
If you ever experience an issue with a Magpul product at any time, regardless of where it was purchased, please contact us directly and we’ll do everything reasonable to help you.
To make a return, please take the following steps:
- BEFORE returning any products, please contact us first to receive an RMA number (Return Merchandise Authorization) and prominently write it on the outside of the package. Packages will not be accepted without an RMA.
- Include a note with your name, shipping address, phone number and email, RMA number, and reason for the return (including, if applicable, information about the firearm, ammunition, and usage environment for defective returns). Do not send ammunition.
- Wrap the item with quality padding and place it in the original packaging or in an appropriate box for shipping.
- A UPS shipping label will be provided in your shipment. If using the original packaging, remove or cover the original shipping label. Tape the preprinted return shipping label to the outside of the box. Drop package at an official or authorized UPS drop-off location.
- All refunds will be applied to the credit card used for the original purchase. You should allow one to two billing cycles for the refund to appear on your statement.
Disclaimer: Manufacturer’s warranty is subject to change without prior notice.
90-day no-hassle returns
The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.
If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.
















