ArmaLite M153GN13CO M-15 Competition .223 Wylde 16-inch

ArmaLite M153GN13CO M-15 Competition .223 Wylde 16-inch

$2,064.16

The ArmaLite M153GN13CO M-15 Competition .223 Wylde 16-inch delivers match-grade precision with a Timney trigger, adjustable gas block, and tunable muzzle brake. Built for 3-gun and tactical competition, it accepts both 5.56 and .223 ammo.

Available for delivery across the United States.

SKU: TSW|27084 Category:

Description

The ArmaLite M153GN13CO M-15 Competition .223 Wylde 16-inch is a purpose-built competition carbine that puts precision and adjustability at the forefront. Chambered in the versatile .223 Wylde, this rifle accepts both 5.56 NATO and .223 Remington ammunition safely and accurately. It features a free-floating match-grade stainless steel barrel, an ArmaLite tunable muzzle brake, and an adjustable gas block for fine-tuning. The carbine-length gas system operates under a 12-inch free-float 3-gun handguard, while the 13.5-inch barrel is pinned and welded to the muzzle brake to meet the legal 16-inch minimum. The rifle ships optics-ready and includes an adjustable Luth-AR MBA-1 stock and a Timney single-stage trigger for consistent, crisp operation. This is a competition tool built for the serious shooter.

Manufacturer ArmaLite
Model M153GN13CO M-15 Competition
Material Stainless steel barrel, aluminum handguard and receiver
Compatibility .223 Wylde (accepts 5.56 NATO and .223 Remington)
Finish Black anodized aluminum, stainless steel barrel
Weight 7.5 lbs (per manufacturer specs)
Condition New

Key Features

  • Match-Grade Stainless Steel Barrel — Why it matters: A 16-inch free-floating barrel with a 1:8 twist rate stabilizes a wide range of bullet weights, from 55-grain varmint loads to 77-grain match projectiles, delivering sub-MOA accuracy out of the box.
  • ArmaLite Tunable Muzzle Brake — Why it matters: This brake reduces felt recoil and muzzle rise significantly, allowing faster follow-up shots during competition strings without losing sight picture.
  • Adjustable Gas Block — Why it matters: Tune the gas system to match your ammunition and suppressor use, ensuring reliable cycling and reduced wear on internal parts.
  • Timney Single-Stage Trigger — Why it matters: A crisp, consistent trigger pull (approximately 3.5 pounds) eliminates creep and overtravel, giving you predictable break shot after shot.
  • Luth-AR MBA-1 Adjustable Stock — Why it matters: This stock offers length-of-pull and cheek riser adjustments to fit your body and shooting position, improving stability and eye alignment with optics.

Who It’s For

This rifle is built for the competitive 3-gun, USPSA, or PRS shooter who demands precision and adjustability. It also suits the quality-conscious buyer who appreciates a hand-fitted, match-grade component set. If you value consistent accuracy, tunable gas, and a trigger that breaks like glass, this is your tool.

Pros and Cons

  • Pro: .223 Wylde chamber handles both 5.56 and .223 with superior accuracy potential.
  • Pro: Timney trigger is one of the best drop-in triggers on the market.
  • Pro: Adjustable gas block and muzzle brake allow custom tuning for competition loads.
  • Con: The pinned-and-welded muzzle brake prevents easy barrel swaps without a gunsmith, limiting future caliber changes.

Comparison

Feature ArmaLite M153GN13CO Geissele Super Duty 16″ Zev Technologies OZ9C
Chamber .223 Wylde 5.56 NATO 9mm (pistol)
Barrel Material Stainless steel, match-grade Chrome-moly, cold hammer-forged Stainless steel, match-grade
Trigger Timney single-stage Geissele SSA-E Timney (optional)
Gas System Carbine-length, adjustable block Mid-length, fixed block N/A (pistol)
Stock Luth-AR MBA-1 adjustable Geissele Super 42 buffer Adjustable brace
Weight 7.5 lbs 6.9 lbs 1.8 lbs

FAQ

What ammunition can I safely use in the .223 Wylde chamber?

The .223 Wylde chamber is specifically designed to safely fire both 5.56 NATO and .223 Remington ammunition. It offers better accuracy with .223 Remington match loads than a standard 5.56 chamber, while still handling higher-pressure 5.56 rounds. Per ArmaLite specs, always use SAAMI-spec ammunition for best results.

Can I replace the muzzle brake with a suppressor?

Yes, but the barrel is pinned and welded to the muzzle brake to meet the 16-inch overall length requirement. If you want to attach a suppressor, you’ll need to have a gunsmith remove the pin/weld and install a compatible muzzle device (e.g., a QD mount). This is a permanent modification that affects barrel length legality.

What twist rate does the barrel have, and what bullet weights does it stabilize?

The barrel has a 1:8 twist rate, which stabilizes bullets from 55 to 77 grains effectively. For competition, 69- to 77-grain match bullets perform exceptionally well. Lighter varmint loads (40-55 grains) also shoot accurately at shorter ranges.

Is the rifle ready for optics out of the box?

Yes. The upper receiver has a flat-top Picatinny rail, so you can mount any scope or red dot directly. There are no iron sights included, so factor that into your setup. The Luth-AR stock’s cheek riser is adjustable to align with your optic height.

✓ Nationwide delivery (all 50 states) — ✓ Ships 1-2 business days — ✓ 30-day returns — ✓ Secure checkout

Browse more: AR Rifles | Competition Rifles | .223 Wylde Rifles

Last updated: April 2026

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