Shark Coast Tactical Arctic White 5.56 16-inch M-LOK 30rd

The Shark Coast Tactical Arctic White 5.56 16-inch M-LOK 30rd is a custom AR-15 that breaks the mold with a white pearl Cerakote finish carrying a subtle bluish tint across the upper, lower, and handguard. Chambered in .223 Rem/5.56 NATO and fed by a 30-round magazine, this rifle delivers a balanced platform for range work, training, and sport shooting without the tactical-clone look. The 16-inch threaded barrel and M-LOK handguard keep you modular, while the Magpul SL-K stock trims weight. Per manufacturer specs, the Cerakote resists wear and maintains its distinctive finish through repeated use.

Manufacturer	Shark Coast Tactical
Model	Arctic White 5.56 16-inch M-LOK 30rd
Material	7075-T6 aluminum upper/lower, steel barrel, polymer furniture
Compatibility	Standard AR-15 lower parts, .223 Rem/5.56 NATO magazines
Finish	White pearl Cerakote with bluish tint (per manufacturer specs)
Weight	6.4 lb (as configured, per manufacturer specs)
Condition	New

Key Features

• White Pearl Cerakote with Bluish Tint — Why it matters: This isn’t a rattle-can job. The multi-layer Cerakote bonds to the aluminum and steel, resisting chips and corrosion while giving you a finish that stands out on any line or in any safe. The bluish tint shifts under different light, so it never looks flat.
• 16-inch Threaded Barrel (1:8 Twist) — Why it matters: The 1:8 twist rate stabilizes 55-77 grain projectiles, covering everything from cheap plinking ammo to match-grade 77-grain OTM loads. The threaded muzzle (1/2×28) accepts your choice of brake, suppressor, or flash hider without gunsmithing.
• M-LOK Handguard (15-inch) — Why it matters: Full-length M-LOK slots let you mount bipods, rails, or sling points exactly where you need them. No keymod, no proprietary nonsense — just standardized attachment points that hold zero under recoil.
• Magpul SL-K Stock — Why it matters: This is the lightest collapsible stock Magpul makes, shaving ounces off the rear end without sacrificing cheek weld or battery storage. The slim profile clears plate carriers and barricades cleanly.
• Right-Hand Lower Assembly — Why it matters: Standard AR-15 controls mean compatibility with every aftermarket trigger, grip, and safety. No left-hand conversions, no proprietary parts — just drop-in upgrades as you see fit.

Who It’s For

This rifle fits shooters who want a distinctive platform for 3-gun, steel challenge, or range practice without the flat-black uniformity. If you already own a safe full of dark rifles and want something that photographs well and starts conversations, this is your build. It also suits left-handed shooters who don’t need an ambi lower — the standard right-hand setup keeps parts commonality high.

Pros / Cons

• Pros: Unique finish that stays put, modular M-LOK for gear attachment, lightweight build at 6.4 lb, standard AR-15 parts compatibility, 1:8 twist handles heavy match bullets.
• Cons: White finish shows carbon residue faster than dark coatings — you’ll want to wipe the bolt carrier and chamber face after each session. The bluish tint may not match every shooter’s aesthetic; it’s a specific look.

Comparison vs. Competitors

Feature	Shark Coast Tactical Arctic White	Zev Technologies OZ9C	Geissele Super Duty 16-inch
Caliber	.223 Rem/5.56 NATO	9mm	.223 Rem/5.56 NATO
Barrel Length	16-inch	4.5-inch	16-inch
Finish	White pearl Cerakote w/ bluish tint	Black nitride	Black anodized
Handguard	M-LOK 15-inch	M-LOK 3.5-inch	M-LOK 15-inch
Weight	6.4 lb	24 oz	7.2 lb
MSRP	$830.03	$1,299	$1,899

The Zev OZ9C is a pistol-caliber carbine, not a direct competitor, but it shows the price delta for a custom finish. The Geissele Super Duty is a battle-ready rifle with a proven track record, but at over double the price. The Shark Coast Arctic White gives you a unique look and solid specs for under a grand — a meaningful value gap.

FAQ

What twist rate is the barrel?

1:8 twist, which stabilizes bullets from 55 grains up to 77 grains. Good for both 55-grain FMJ plinking and 77-grain match loads.

Is the handguard free-float?

Yes, the M-LOK handguard is free-floated, meaning it doesn’t contact the barrel. This improves accuracy by eliminating pressure points that can shift point of impact.

What muzzle device is included?

The rifle ships with a standard A2-style flash hider (1/2×28 threads). You can swap it for a suppressor, brake, or compensator without tools.

Does the Cerakote require special cleaning?

No. Use standard CLP and a nylon brush. Avoid abrasive pads or steel wool. The finish is tough, but white shows carbon — a quick wipe after each range trip keeps it looking fresh.

Is this California compliant?

This model ships with a standard 30-round magazine and standard stock. For California compliance, you would need a fixed magazine or featureless build. Check your local laws before ordering.

Why Buy From Us

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

Last updated: April 2026

See more: Semi Auto Rifles | AR-15 Rifles | Cerakote Firearms