Description
This DuraMag magazine is engineered specifically for 6.8 SPC shooters who need an extended capacity mag that actually works. Rather than forcing this round into a standard 5.56 design, DuraMag built these from the ground up to handle the unique cartridge dimensions and geometry that the 6.8 SPC demands.
The 28-round capacity gives you serious firepower at the range or in the field without the magazine extending to awkward lengths. The stainless steel construction sets it apart from aluminum alternatives. At roughly 6.5 ounces, it's noticeably heavier than polymer mags, but that weight helps with positive ejection and gives you confidence in durability. The robotically welded body with precision seams combined with a proprietary Black-T Teflon and T-360 coating means this magazine shrugs off rust and corrosion in wet or harsh conditions. Unlike aluminum, stainless steel won't crumple if you drop a loaded mag or catch it on gear.
Inside the DuraMag Design
What makes this magazine function reliably is the combination of several features working together. The LipLock feed lip system keeps cartridges positioned at the right angle to prevent jams. The four-way anti-tilt gray polymer follower (marketed as the AGF or Advanced Geometry Follower) ensures rounds stack properly and don't bind. The EverFlex 17-7 stainless steel spring resists fatigue even after hundreds of cycles, and the reinforced steel baseplate adds structural strength where it matters.
Made in America
DuraMag runs manufacturing with serious attention to quality. Every magazine goes through stamping, welding, heat treating, coating, assembly, and function testing before it ships. It's a philosophy you can count on: a firearm is only as good as its magazine. Real-world feedback confirms these run flawlessly through various ammo types and platforms, and the design gives you plenty of internal room for hand-loaded rounds if you're into that.
Compatibility Note
This magazine works with 6.8 Remington SPC and .224 Valkyrie rifles. Not compatible with standard 5.56 mags.
Key Specifications
- Caliber/Cartridge: 6.8 Remington SPC, .224 Valkyrie, .22 Nosler
- Capacity: 28 rounds
- Material: 400 series stainless steel body, 17-7 stainless steel spring
- Finish: Matte black with proprietary Black-T Teflon and T-360 coating
- Follower: Four-way anti-tilt polymer (AGF), gray color
- Feed Lip System: LipLock technology with precision geometry
- Platform: AR-15
- Weight: Approximately 6.5 ounces
- Durability: Crack-proof, swell-proof, crush-proof design
- Manufacturing: Robotically welded, made in USA
- Baseplate: Reinforced steel with snap-on design
- UPC: 766897412073
- Manufacturer Part Number: 2868041207CPD
- Manufacturer: C Products Defense (DuraMag)
What’s Included
- 1x DuraMag 28-round magazine
- Gray anti-tilt follower (pre-installed)
- Reinforced steel baseplate (pre-installed)
Frequently Asked Questions
Will this DuraMag magazine work with .224 Valkyrie and .22 Nosler?
Yes. This magazine is designed to handle 6.8 SPC, .224 Valkyrie, and .22 Nosler cartridges. All three rounds have similar overall length and fit this magazine's geometry. Just make sure your rifle is chambered for the round you're loading.
Can I use this 28-round DuraMag magazine in a standard AR-15 lower?
Yes, it's designed for AR-15 platform rifles. The magazine will fit standard AR-15 mag wells. Just verify that your rifle is actually chambered for 6.8 SPC or a compatible cartridge, since the magazine itself is purpose-built for these rounds, not 5.56 NATO.
Why is the DuraMag stainless steel magazine heavier than aluminum?
Stainless steel is naturally denser than aluminum, which is why it weighs more. The upside is better durability, superior corrosion resistance, and positive mag ejection. The extra weight also means it won't crumple or fail if you drop it loaded or snag it on gear.
How reliable is the DuraMag 28-round magazine in the field?
Real-world testing shows these magazines run flawlessly through various ammo types without jams or feeding issues. The LipLock feed system and anti-tilt follower work together to keep rounds properly positioned. Users report reliable performance across different platforms, including full-auto testing by some operators.






Reviews
There are no reviews yet.