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Alexander Arms Tactical Rifle | 6.5 Grendel | 10+1 Capacity | 16" Threaded Barrel | Sniper Gray Cerakote | M-LOK Handguard | Optics Ready | RTA65SG | 819511021851
Power, precision, and tactical performance converge in the Alexander Arms Tactical 6.5 Grendel Rifle (Model RTA65SG) — a firearm engineered for serious shooters who demand long-range capability in a compact, maneuverable package. Featuring a 16-inch threaded barrel, Sniper Gray Cerakote aluminum receiver, and a lightweight M-LOK handguard, this rifle delivers the accuracy of a precision platform with the durability and ergonomics of a battle-ready design.
Chambered in 6.5 Grendel, this tactical rifle offers outstanding ballistic performance, superior energy retention, and exceptional accuracy at extended ranges — making it a premier choice for hunters, marksmen, and tactical enthusiasts alike.
Superior Ballistics with the 6.5 Grendel Cartridge
The 6.5 Grendel cartridge is widely recognized for its balance of range, power, and accuracy. Designed for maximum efficiency from shorter barrels, it delivers flat trajectories, superior wind resistance, and impressive terminal energy — outperforming traditional 5.56 NATO cartridges at extended distances.
When paired with Alexander Arms’ precision engineering, the result is a semi-automatic rifle capable of sub-MOA accuracy with the right ammunition. Whether you’re hunting, target shooting, or operating in tactical scenarios, the 6.5 Grendel delivers the long-range performance and stopping power you can count on.
Precision 16" Threaded Barrel
The 16-inch black threaded barrel provides optimal balance between maneuverability and accuracy. It’s designed to maintain tight groupings while allowing for easy attachment of suppressors, flash hiders, or muzzle brakes.
Constructed from premium steel and precision machined for accuracy, the barrel’s threaded muzzle gives shooters the flexibility to customize their setup to match mission needs or personal preferences — whether that’s noise suppression or recoil reduction.
Sniper Gray Cerakote Aluminum Receiver – Tough and Tactical
The upper and lower receivers are constructed from aircraft-grade aluminum and coated in Sniper Gray Cerakote, a high-performance ceramic finish known for its superior corrosion resistance and durability. The Cerakote coating not only enhances longevity but also provides a sleek, professional appearance that stands out from traditional black rifles.
The precision-machined fit between the upper and lower receivers ensures tight tolerances and consistent reliability, while maintaining a lightweight yet rugged feel.
M-LOK Handguard – Lightweight and Modular
The free-floating M-LOK handguard is designed for strength, versatility, and reduced weight. Its slim, ergonomic profile enhances handling and maneuverability, while multiple M-LOK slots provide endless customization options for accessories such as bipods, foregrips, and tactical lights.
By isolating the barrel from external pressure, the free-float design improves accuracy and consistency — allowing you to achieve better precision shot after shot.
Ergonomic and Durable B5 Bravo Stock
Equipped with a B5 Systems Bravo Stock, this rifle offers exceptional comfort, stability, and adjustability. The minimalist design reduces weight without sacrificing durability, while the angled cheek weld and anti-slip butt pad ensure solid shoulder placement and shooting comfort in any position.
This stock is paired with a black synthetic construction, designed to withstand heavy field use while maintaining a sleek, tactical profile.
Black A2 Pistol Grip for Reliable Control
The classic A2-style black pistol grip offers a familiar and comfortable hold for improved trigger control and stability. Its durable polymer construction ensures long-lasting use in all conditions, while the simple, proven design complements the rifle’s rugged tactical aesthetic.
Optics Ready – Customize Your Setup
The Alexander Arms Tactical 6.5 Grendel Rifle comes optics ready, allowing you to easily mount your preferred scope, red dot, or magnified optic on the integrated Picatinny rail. This flexibility makes it easy to configure the rifle for hunting, competition, or tactical defense — ensuring you’re ready for any mission.
The flat-top upper provides a solid mounting platform, ensuring consistent zero retention and optimal eye alignment.
Key Features and Specifications
Brand: Alexander Arms
Model: Tactical 6.5 Grendel
Part Number: RTA65SG
UPC: 819511021851
Caliber: 6.5 Grendel
Action: Semi-Automatic
Capacity: 10+1 rounds
Barrel Length: 16" threaded barrel
Barrel Finish: Black
Receiver Material: Aluminum
Receiver Finish: Sniper Gray Cerakote
Handguard: Free-float M-LOK handguard
Stock: Black synthetic B5 Bravo adjustable stock
Grip: Black A2 pistol grip
Rail System: Full-length Picatinny rail (optics ready)
Muzzle Thread: 5/8x24 for muzzle device compatibility
Overall Length: Approx. 33.5" – 37" (adjustable)
Weight: Approx. 6.5 lbs (unloaded)
Made in: USA
Why Shooters Choose the Alexander Arms Tactical 6.5 Grendel
6.5 Grendel power and precision — superior ballistics at extended ranges.
Compact 16-inch threaded barrel — ideal for maneuverability and accuracy.
Sniper Gray Cerakote finish — exceptional durability and corrosion resistance.
M-LOK handguard — modular, lightweight, and ready for tactical accessories.
B5 Bravo stock and A2 grip — ergonomic comfort and solid control.
Optics-ready Picatinny rail — easily mount scopes, optics, and accessories.
Made in the USA — built to exacting standards by Alexander Arms.
Perfect for Tactical, Hunting, and Competition Use
The Alexander Arms Tactical 6.5 Grendel Rifle bridges the gap between lightweight mobility and long-range precision. Its 6.5 Grendel chambering provides excellent ballistics for deer, hog, and varmint hunting, while its tactical features — such as the M-LOK handguard and Cerakote finish — make it an ideal choice for tactical training and competition shooting.
This rifle delivers the perfect combination of accuracy, power, and control, allowing shooters to excel in both field and range environments.
Built by the Innovators of Modern Ballistics
Alexander Arms, founded by the legendary Bill Alexander, is the creator of both the 6.5 Grendel and .50 Beowulf® cartridges. The company is known for pushing the boundaries of modern firearms engineering, and every Alexander Arms rifle carries that same legacy of innovation and precision.
Each Tactical 6.5 Grendel is hand-assembled, test-fired, and inspected for superior quality — ensuring you receive a firearm that’s ready to perform under the toughest conditions.
When you choose Alexander Arms, you’re not just buying a rifle — you’re investing in a precision-crafted firearm designed for serious shooters who expect more.
In Summary:
The Alexander Arms Tactical 6.5 Grendel Rifle (RTA65SG) is a premium semi-automatic rifle built for versatility, power, and precision. Featuring a 16-inch threaded barrel, Sniper Gray Cerakote aluminum receiver, M-LOK handguard, B5 Bravo stock, and A2 grip, this rifle combines tactical styling with long-range capability.
Whether you’re on the range, in the field, or in a competition, the 6.5 Grendel delivers the performance, accuracy, and reliability that serious shooters demand.
Engineered by innovators. Built for accuracy. Proven in the field — Alexander Arms delivers every time.
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