Description
The Alexander Arms 6.5 Grendel GSR 24″ Rifle, Flat Dark Earth Long Range Precision Rifle 10 Rd Mag is a purpose-built, semi-automatic rifle chambered in the efficient 6.5 Grendel cartridge. Designed for extended-range accuracy, it features a 24-inch match-grade barrel, a flat dark earth finish, and ships with a 10-round magazine. This rifle offers a serious long-range capability in an AR-platform format, balancing ballistic performance with practical shooting costs.
Key Features
- 24-inch 416R Stainless Steel Match Barrel for superior velocity and accuracy.
- Chambered in the highly efficient 6.5 Grendel cartridge, known for its long-range ballistics and lower recoil.
- Flat Dark Earth (FDE) Cerakote finish for durability and a tactical aesthetic.
- Includes a 10-round magazine, optimized for the 6.5 Grendel cartridge.
- Precision-machined upper receiver with a rigid, free-float handguard system.
Specifications & Details
| Specification | Detail |
|---|---|
| Caliber | 6.5 Grendel |
| Barrel Length | 24 inches |
| Magazine Capacity | 10 Rounds |
| Finish | Flat Dark Earth Cerakote |
| Action | Semi-Automatic |
| Rifling Twist | 1:8 (typical for 6.5 Grendel) |
Weighing in at approximately 9.5 to 10.5 pounds unloaded, the rifle’s heft aids in stability for precise shots. The 6.5 Grendel round itself is the real story here—it delivers ballistics that rival larger, more expensive cartridges while using less powder and producing less recoil. That said, at $2962.40, this isn’t an impulse buy. You’re paying for Alexander Arms’ expertise as the original developer of the 6.5 Grendel AR platform, which means proven reliability and performance that fits out of the box with no gunsmithing required for standard operation. The rifle is built on a mil-spec compatible foundation, meaning many standard AR-15 parts and accessories will work, and it’s designed to function with reliable magazines from brands like C-Products or ASC.
Who This Rifle Is For
This rifle is for the shooter who wants to reach out beyond 500 yards consistently without stepping into the cost and recoil of a .308 or 6.5 Creedmoor bolt gun. It’s ideal for precision hunters targeting deer or varmints at extended ranges, or for the practical long-range shooter who values semi-auto speed for follow-up shots. If your budget-conscious approach values long-term ammunition savings and lower recoil over a cheaper upfront rifle cost, this platform makes a compelling argument.
Pros & Cons
Pros: Excellent long-range ballistics for the cartridge size. Manageable recoil improves shot spotting and comfort. The 24-inch barrel maximizes the 6.5 Grendel’s velocity potential. Alexander Arms is the original source, ensuring correct chamber specs and reliability. Generally lower cost per round for practice compared to .308 Win or 6.5 Creedmoor.
Cons: Higher initial investment than building a basic AR. The 6.5 Grendel, while growing, has less ammo variety than .223/5.56. The 24-inch barrel can be cumbersome for tight-space hunting or dynamic shooting. Magazine selection is more specific than standard AR mags.
Frequently Asked Questions
Q: Is this a complete rifle or just an upper?
A: This is a complete, ready-to-fire rifle. It includes the lower receiver, trigger group, and stock assembly. You will need to complete an FFL transfer for firearm purchases upon delivery.
Q: Can I use my existing AR-15 lower receiver with this?
A: The Alexander Arms GSR is a complete rifle. However, the 6.5 Grendel cartridge requires specific bolts, barrels, and magazines. While the lower receiver is standard AR-15 dimensionally, for optimal reliability and safety, using Alexander Arms’ engineered complete system is recommended.
Q: How does the 6.5 Grendel compare to .223 for long range?
A: It’s a significant step up. The 6.5 Grendel retains energy and bucks wind far better than .223 Remington past 300 yards, making it a much more effective and ethical hunting round at medium to long distances while still being soft-shooting.
Available at firearms-missouri.com for Missouri residents and nationwide, the Alexander Arms GSR represents a calculated investment in a specialized tool. It prioritizes long-range performance and efficient operation over sheer firepower or close-quarters agility. If your goal is precision at distance with a semi-automatic, this rifle delivers a specific kind of value that’s hard to match with a generic build.
View the current availability and detailed specs on our product page.




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