Armalite AR-10 Competition Rifle .308 Win 25rd Magazine 18″ Barrel – AR

Armalite AR-10 .308 Win competition rifle with 18-inch barrel, 25-round magazine, adjustable stock, and turnable brake for fast, accurate shooting.

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The Armalite AR-10 Competition Rifle in .308 Winchester is a purpose-built platform for shooters who demand precision and reliability in high-stakes environments. Whether you are lining up for a three-gun match, engaging targets at extended ranges, or maintaining proficiency on a private range, this rifle offers a balanced combination of accuracy, recoil management, and rapid follow-up shot capability. For U.S. shooters who need a .308 platform that can transition between static precision and dynamic competition stages, the AR-10 delivers consistent performance without unnecessary complexity.

What This Product Is and Who It Is For

The Armalite AR-10 Competition Rifle is a semi-automatic, gas-operated firearm chambered in .308 Winchester. It is designed specifically for competitive shooters participating in disciplines such as three-gun, tactical rifle matches, and long-range precision events. The rifle also appeals to experienced hunters who require a flat-shooting, reliable platform for medium to large game, as well as shooters who want a dedicated range rifle for skill development. This is not a compact home defense carbine; rather, it is a full-size rifle built for controlled, accurate fire at distances where .308 rounds excel. Collectors will appreciate the Armalite heritage, as the AR-10 is the predecessor to the AR-15 platform, and this model carries forward that engineering legacy with modern competition-focused features.

Key Specifications

  • Caliber: .308 Winchester (7.62x51mm NATO compatible)
  • Magazine Capacity: 25-round detachable box magazine
  • Barrel Length: 18 inches, with a 1:10 twist rate
  • Barrel Profile: Heavy contour, chrome-moly steel with a black finish
  • Overall Length: Adjustable; approximately 38.5 inches with stock collapsed
  • Weight: Approximately 9.5 pounds (unloaded)
  • Stock: Adjustable collapsible stock with a recoil pad
  • Muzzle Device: Turnable compensator/brake
  • Upper Receiver: Forged 7075-T6 aluminum, flat-top with Picatinny rail
  • Lower Receiver: Forged 7075-T6 aluminum, with flared magazine well
  • Trigger: Two-stage match-grade trigger
  • Sights: None included; optic-ready Picatinny rail
  • Finish: Hard-coat anodized black
  • Gas System: Mid-length direct impingement
  • Handguard: Free-floating M-Lok aluminum rail

Feature Deep-Dive

The 18-inch barrel on this AR-10 is a deliberate choice for competition and field use. It provides a balance between velocity retention and maneuverability, allowing shooters to engage targets from 100 to 600 yards without the weight penalty of a 20- or 22-inch barrel. The 1:10 twist rate stabilizes a wide range of .308 bullet weights, from 147-grain FMJ to 175-grain match loads, ensuring consistent accuracy with common ammunition types. The heavy contour barrel also reduces harmonic vibration during firing, which contributes to tighter shot groups during rapid strings.

The turnable compensator is a standout feature for shooters who want to manage muzzle rise without committing to a single tuning. This brake can be rotated to direct gas upward and to the sides, effectively reducing vertical recoil impulse. In three-gun stages where multiple shots on separate targets are required, this brake allows the shooter to keep the sights on target for faster transitions. Unlike fixed brakes, the adjustable design lets you fine-tune the compensation based on your specific load or shooting style, making it a versatile addition for competition use.

The free-floating M-Lok handguard is another element that supports accuracy. By attaching only to the barrel nut, the handguard avoids contact with the barrel, which prevents pressure from slings, bipods, or shooting bags from altering the barrel’s point of impact. The M-Lok slots provide flexibility for mounting accessories such as a bipod, vertical grip, or flashlight, without adding unnecessary weight. The aluminum construction keeps the forend rigid while maintaining a manageable overall weight for a .308 rifle.

The two-stage match trigger is a critical component for precision shooting. The first stage allows you to take up slack with a light, consistent pull, while the second stage provides a crisp break without overtravel. This design helps shooters avoid jerking the trigger under time pressure, which is common in competition scenarios. The trigger pull weight is factory-set at approximately 4.5 pounds, a standard for match rifles that balances speed and control. For shooters who prefer a lighter or heavier pull, the trigger is user-adjustable within a limited range.

The flared magazine well on the lower receiver is a practical feature for high-speed reloads. The wider opening guides the magazine into place without requiring precise alignment, which reduces the time needed to reload during a stage. The 25-round magazine capacity is generous for .308, allowing extended strings of fire without frequent reloads. The magazine itself is a steel-body design with an anti-tilt follower, which reduces the risk of feeding malfunctions when the magazine is loaded to capacity.

Armalite’s gas system uses a mid-length configuration, which provides a smoother cycling action compared to carbine-length systems on .308 rifles. The mid-length gas tube reduces bolt carrier velocity and lowers the felt recoil impulse, which contributes to faster follow-up shots. The bolt carrier group is treated with a chrome-plated bolt and a black nitride carrier for corrosion resistance and ease of cleaning. This is a rifle that can run through a full match day with minimal maintenance, provided it is kept lubricated.

Ideal Use Cases

Competition Shooting: This rifle is built for three-gun and tactical rifle matches. The 18-inch barrel, adjustable brake, and match trigger allow for fast, accurate engagement of multiple targets at varying distances. The flared mag well and 25-round capacity support the reload-intensive nature of competition stages.

Long-Range Target Shooting: The .308 Winchester round is a proven caliber for precision shooting out to 800 yards. The heavy barrel and free-floating handguard provide a stable platform for consistent groups. This rifle pairs well with a quality scope for benchrest or prone shooting.

Hunting: For hunters who stalk game in open terrain, the .308 offers sufficient energy for deer, hogs, and black bear. The adjustable stock allows for a proper fit with heavy clothing, and the brake helps manage recoil during follow-up shots. Note that the brake may be loud for hunters who do not use hearing protection.

Range Practice: The AR-10 is a reliable choice for shooters who want to train with a full-power cartridge. The adjustable stock and ergonomic controls make it comfortable for extended range sessions. The rifle’s weight helps absorb recoil, making it suitable for new shooters transitioning to .308.

Compatibility Notes

This rifle accepts standard AR-10 pattern magazines, including those from Armalite, Magpul, and other manufacturers. It is compatible with .308 Winchester ammunition and 7.62x51mm NATO rounds, though accuracy may vary with military surplus loads. The Picatinny rail on the upper receiver accepts any scope mount or red dot sight with a standard base. The M-Lok handguard is compatible with M-Lok accessories from brands such as Magpul, BCM, and Midwest Industries. The barrel is threaded 5/8×24, which is the standard for .30-caliber muzzle devices. Holsters are not applicable for this rifle; it is designed for sling carry or transport in a rifle case. The rifle does not include iron sights, so a separate optic is required for use.

Frequently Asked Questions

Q: Can this rifle be shipped directly to my home?
A: No. Under U.S. federal law, this firearm must be shipped to a licensed Federal Firearms License (FFL) dealer in your state. We ship to FFL holders only. After your purchase, we will require your chosen dealer’s contact information. We recommend confirming with your local FFL that they accept shipments from online retailers before placing your order.

Q: What is the FFL transfer process?
A: After you place your order, we will contact you to obtain the name and address of your receiving FFL dealer. We then ship the rifle to that dealer. You will need to visit the dealer in person, complete a Form 4473, and pass a background check (NICS) as required by your state. Once the transfer is approved, you can take possession of the rifle. Transfer fees vary by dealer and are not included in our price.

Q: Is this rifle compatible with 7.62x51mm NATO ammunition?
A: Yes. The Armalite AR-10 is chambered for .308 Winchester, but it can safely fire 7.62x51mm NATO ammunition. However, we recommend using quality factory-loaded .308 Winchester ammunition for best accuracy and reliability. Military surplus 7.62x51mm may have harder primers and inconsistent powder charges, which can affect performance.

Q: What warranty does Armalite provide?
A: Armalite offers a limited lifetime warranty to the original purchaser. This warranty covers defects in materials and workmanship for the life of the firearm. It does not cover damage from misuse, improper maintenance, or use of handloaded ammunition. If you experience a defect, contact Armalite directly for warranty service. We also stand behind our sales and can assist with warranty claims if needed.

Q: Can I return this rifle if I change my mind?
A: Due to federal regulations and safety concerns, we do not accept returns on firearms once they have been shipped from our facility. All firearm sales are final. If there is a defect or damage during shipping, we will work with you and the manufacturer to resolve the issue. We encourage you to review the specifications carefully before purchasing. If you have questions about fit or compatibility, please contact us before ordering.

Ordering and Shipping Information

This Armalite AR-10 Competition Rifle is available for purchase and ships to all U.S. states where legal ownership of .308 rifles is permitted. We ship via insured carriers and require an adult signature upon delivery. All orders are processed within one to two business days. We are a licensed FFL retailer and comply with all federal, state, and local laws. If you have questions about your state’s specific regulations, please check with your local authorities or contact us directly. Add this rifle to your cart to begin the ordering process.

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