Description
Mission First Tactical's Extreme Duty magazine brings real-world durability to your .308 AR platform in a translucent design that actually serves a practical purpose. Instead of guessing how many rounds you've got left, the smoke-tinted body gives you clear visual confirmation of your ammo count and cartridge type in seconds. The textured finish eliminates shine so you're not catching unwanted light at the range or in the field.
Built from a next-generation long glass fiber polymer developed with military specifications in mind, this magazine resists the abuse that polymer mags typically struggle with. Heat, cold, UV exposure, chemicals, and drop impact don't phase it, even in extreme temperatures. The material won't crack, brittle, or discolor over time without needing reinforced feed lips.
Proven Design for Serious Performance
The engineering here goes beyond just durability. Double floor plate safety release tabs allow tool-less disassembly for cleaning, while a four-way anti-tilt self-lubricating follower keeps rounds feeding smoothly and consistently. A long-life stainless steel spring handles the pressure cycles without fatigue. The ribbed front and rear gripping surface gives you purchase when you need a solid hold, whether you're using a traditional grip, drawing from your chest rig, or working the magazine in tight conditions.
AR10A/SR25/M110 Pattern Compatibility
This magazine is designed specifically for SAAMI-spec 7.62×51 and .308 Winchester ammunition. It locks up tight in AR10A, SR25, and M110 platform rifles that use the SR-25 magazine pattern, which has become the closest thing the .308 AR world has to a standard. The 10-round capacity makes these particularly useful for hunting applications or when you're working from a rest and don't need high volume.
Key Specifications
- Capacity: 10 rounds
- Caliber: .308 Winchester / 7.62 NATO
- Compatibility: AR10A/SR25/M110 pattern rifles
- Ammunition Type: SAAMI-spec 7.62×51 / .308 Winchester
- Material: Military-grade long glass fiber copolymer
- Color: Translucent Smoke
- Spring: Long-life stainless steel
- Follower: Four-way anti-tilt self-lubricating
- Floor Plate: Double release tabs (tool-less disassembly)
- Model: Extreme Duty
- Manufacturer Part Number: 10EXD762X51-T-S
- UPC: 810099436693
What’s Included
- One 10-round Mission First Tactical Extreme Duty magazine
Frequently Asked Questions
Will this mission first tactical magazine work with my specific AR-10 pattern rifle?
This magazine is designed for AR10A, SR25, and M110 pattern rifles. Most modern .308 ARs built in the last decade use the SR-25 pattern, which is the closest thing the industry has to a standard. However, compatibility varies between manufacturers, so check your rifle's manual or contact the manufacturer to confirm it accepts SR-25 pattern magazines before purchasing.
Can I use .308 Winchester and 7.62 NATO ammo interchangeably in this magazine?
The magazine itself works with both cartridges since they're similar in dimension. However, your rifle's chamber is what matters. A rifle chambered for .308 Winchester can safely shoot 7.62 NATO, but a rifle marked 7.62 NATO shouldn't shoot commercial .308 Winchester due to pressure differences. Always verify what your specific rifle is safe to shoot.
Why would I choose a translucent magazine over a standard black one?
The clear body lets you see exactly how many rounds you have and what type of ammo is loaded, which matters if you run multiple calibers or ammunition types. The textured finish keeps it from reflecting light unnecessarily. That said, if absolute long-term durability under abuse is your only concern, some shooters prefer traditional black opaque designs that have decades of field-proven track records.
How durable is the polymer, and will it crack with impact or cold?
Mission First Tactical engineered this material to resist cracking, brittling, and discoloring across extreme temperature swings, impact, UV, and harsh chemicals without requiring reinforced feed lips. Real-world testing has shown the polymer holds up well to the kind of rough handling that breaks other translucent magazines, though actual results depend on how hard you actually abuse them.






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