The Magpul Magazine for AR Rifles, PMAG Gen M3, 300 Blackout, 20 Rounds, Black is a magazine that fits AR Rifles.
Magpul's PMAG 20 AR 300 B GEN M3 is a purpose-built magazine for rifles chambered in .300 Blackout (300 BLK). Similar in every way to they PMAG 30 AR 300 B, the PMAG 20 is more compact for increased maneuverability and creates a more concealable package for use in small format firearms. The PMAG 20 AR 300 B's distinct ribbed design and smoother upper-half texture provides the shooter a distinct visual and tactile difference from any other PMAG to mitigate dangerous cross-loading issues.
Magazines are made for specific firearms and calibers. Check the platform and caliber named in the title match your firearm before ordering.
How It Compares
Also compare the Magazine for AR Rifles, PMAG 30 AR/M4 Gen M3, Magazine for AR Rifles, PMAG 20 AR/M4 Gen M3 and Magazine for AR Rifles, PMAG 10/30 AR/M4 Gen M3. Browse all magazines and the full Magpul range.
Key Features
- Dedicated for rifles chambered in 300 BLK
- 20-round body for compact increased maneuverability
- Distinct rib design and texture provide visual and tactile differentiation
- Next-generation impact and crush-resistant polymer
- PMAG GEN M3
- 300 Blackout
- 20 Rounds
Compatibility & Fitment
Fits AR Rifles. Not sure it fits? Contact us before you order and we will check for you.
Technical Specifications
Brand | Magpul |
Type | Magazine |
Model | M3 |
Caliber | 300 Blackout |
Capacity | 20 Rounds |
Platform | AR-15 |
Color | Black |
MPN | MAG1182-BLK |
UPC | 840815132233 |
US Shipping & Support
Genuine Magpul, brand new and covered by the manufacturer's warranty. Shipping is free on US orders of $99 or more, and smaller orders ship from $6.95. Questions about fit, mounting or which option suits your setup? Our team is glad to help before and after your purchase.
Frequently Asked Questions
What does the Magazine fit?
Fits AR Rifles.
Is this a genuine Magpul product?
Yes. It is a new, genuine Magpul product sourced through an authorized US distributor.
How much is shipping?
Shipping is free on US orders of $99 or more. Orders under $99 ship at a flat rate from $6.95 to $9.95, depending on the order total.
