Description
When you chamber a 6.5 Grendel, you need a magazine that respects what this cartridge demands. The ASC 6.5 Grendel stainless steel magazine delivers the durability and precision feeding that specialized rounds require. Built from .020 gauge 410 stainless steel alloy and heat-treated for strength, this magazine handles the thicker 6.5 Grendel round with the precision it deserves.
ASC's Proven Design for Grendel Reliability
The 25-round capacity strikes a balance between carrying capacity and practical handling. Unlike polymer options that can warp in temperature extremes, this stainless steel construction won't swell in heat or crack in cold, making it dependable whether you're shooting in summer or winter conditions. The anti-tilt polymer follower ensures rounds feed consistently from the first shot through the last, and the chrome silicon spring is engineered to maintain consistent upward pressure regardless of how long the magazine sits loaded.
What Makes This Magazine Different
ASC developed Marlube, a proprietary wear-in coating that actually improves with use. Unlike traditional finishes that wear away, Marlube burnishes into the surface and creates a self-lubricating layer. This means the more you use the magazine, the better it performs. The blue polymer follower provides a quick visual reference for round count, and the 300 series stainless steel floor plate with black oxide coating resists corrosion while staying easy to field strip for cleaning.
The interior dimensions of 2.316 inches overall length also make this magazine excellent if you reload, giving you room to work with longer custom loads. Every mag ships backed by ASC's limited lifetime warranty, so you can count on this investment lasting through thousands of rounds.
Key Specifications
- Caliber: 6.5mm Grendel
- Capacity: 25 rounds
- Material: .020 gauge 410 stainless steel alloy, heat-treated
- Finish: Black Marlube
- Body Color: Black
- Follower: Blue anti-tilt polymer with PTFE coating
- Spring: Chrome silicon
- Floor Plate: 300 series stainless steel with black oxide coating
- Interior OAL: 2.316 inches ±.002
- Compatibility: AR-15/M4/M16 platform rifles
- Country of Origin: Made in USA
- Warranty: Limited lifetime warranty
- UPC: 818805010267
- Manufacturer Part Number: 25-65-SS-BM-BL-ASC
- Manufacturer: Ammunition Storage Components (ASC)
- Weight: 0.37 lbs
What’s Included
- ASC 6.5 Grendel 25-round magazine
Frequently Asked Questions
Will this 6.5 Grendel magazine work in my AR-15?
Yes, this magazine is designed for AR-15, M4, and M16 platform rifles chambered in 6.5 Grendel. It uses the standard AR-15 lower receiver interface. Since 6.5 Grendel rifles use proprietary magazines due to the cartridge's unique dimensions, always verify that your specific rifle is chambered in 6.5 Grendel before purchasing.
What makes the Marlube coating different from standard finishes?
Marlube is a wear-in coating that improves with use rather than wearing off like traditional finishes. It burnishes into the surface and creates self-lubricating properties, which means your magazine actually performs better the more you shoot it. This coating also provides superior corrosion and abrasion resistance.
Can I use this magazine for reloading purposes?
The magazine's interior overall length of 2.316 inches plus/minus .002 inches makes it suitable for handloads. If you reload custom ammunition, this dimensional consistency is helpful. Always verify that your custom loads fit within the magazine body before relying on it for reloading.
How do I maintain this stainless steel magazine?
Stainless steel magazines require minimal maintenance. You can field strip the magazine by removing the floor plate to clean the interior if needed. The Marlube coating actually improves with use, so regular shooting conditions enhance its lubricity. Store in a dry environment to maintain the finish, though the heat-treated stainless steel and Marlube coating resist corrosion even in challenging conditions.






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