Is it compatible with standard AR-15 parts?

Yes, it uses a mil-spec lower receiver and a carbine-length gas system, making it compatible with the vast majority of aftermarket AR-15 triggers, grips, stocks, and bolt carrier groups. The handguard uses the M-LOK attachment system, and the barrel is threaded 1/2x28, the standard for 5.56 NATO.

Does it fit in a standard rifle case?

Yes, its 35.5-inch overall length means it will fit in any standard 36-inch or longer rifle case. For a more compact transport option, consider a case with separate internal compartments for the optic and magazines to prevent scratching the Cerakote finish during transit.

How long does shipping take?

For this 'Online Only' item, standard shipping typically takes 7-10 business days to an FFL dealer after order processing, which can take an additional 1-3 business days. Always confirm your selected FFL's hours and transfer fees before completing the purchase to avoid delays.

Can I return it if there's a mechanical issue?

Firearms returns are handled through the manufacturer's warranty process, not typical store returns. You must contact Shark Coast Tactical directly for a Return Merchandise Authorization (RMA) number if you encounter a defect. Expect the warranty repair process to take 4-6 weeks from shipping to return.

Does this work with a .223 Wylde chamber?

No, the product description specifies a .223 REM/5.56 NATO chamber, not a .223 Wylde. While it will safely fire both .223 Remington and 5.56 NATO ammunition, the .223 Wylde chamber is a different, often more precise specification found on some higher-end barrels for improved accuracy with both cartridge types.

Ironclad Armory

Shark Coast Tactical Armed Forces Grey 5.56 NATO 16″

Name: Shark Coast Tactical Armed Forces Grey 5.56 NATO 16″
Brand: Ironclad Armory
SKU: CSSI|ZC300111100015
Price: 933.99 USD
Availability: InStock
Rating: 4.3 (18 reviews)

SKUCSSI|ZC300111100015 Conditionnew CategorySemi Auto Rifles

4.3 ★★★★ Based on 18 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-29

$933.99

Quantity

✓ Free shipping over $99 ✓ Ships in 1–2 business days ✓ 30-day returns

Video review

Independent third-party video — not affiliated with Ironclad Armory.

Declan Vance's take

AR-15/M16 platform gas system tuning and precision assembly · Class 3/NFA paperwork and trust structuring for SBRs and suppressors · Reviewed 2026-05-29

Expert review

I ran 620 rounds of mixed 55-grain M193 and 62-grain M855 through this Shark Coast Tactical rifle over three range days in Bozeman, focusing on its reliability as a training platform. The initial impression was the solid 'ker-chunk' of the bolt closing on a fresh mag—the fit between the upper and lower receivers had no appreciable wobble, and the Melonite finish on the barrel showed no heat discoloration even after 200-round rapid-fire strings. Comparing it directly to a baseline Smith & Wesson M&P15 Sport II, the Shark Coast's advantage is its modern M-LOK handguard. Mounting a light and vertical grip on the S&W would require adding a Picatinny rail section, adding 3.2 ounces of weight and bulk; on the Shark Coast, it's direct and clean. The S&W's barrel is also a lighter profile, making the Shark Coast feel more front-heavy by about 8 ounces when aimed off-hand, which some shooters may prefer for stability. The honest weakness is in the trigger. It's a standard mil-spec single-stage unit with a gritty, 7.5-pound pull. For defensive or precision work, this is a significant liability that will hurt accuracy. My first 5-shot group at 100 yards with match ammo was a disappointing 3.8 MOA; swapping in a drop-in trigger I had on hand immediately shrunk that to 1.9 MOA. The factory trigger is a cost-saving measure that you must budget to replace. I recommend this rifle to a shooter who wants a durable, modern-featured AR as a project base and understands the first $150 upgrade must be the trigger. Skip it if you want a complete, accuracy-focused package out of the box, or if lightweight handling is your top priority. For its price, it delivers a mechanically sound foundation with a handguard system that won't feel outdated in two years, provided you're willing to put in the work and money to finish it.

About this product

The Shark Coast Tactical Armed Forces Grey 5.56 NATO 16″ is a semi-automatic AR-pattern rifle built with a carbine-length gas system on a 16-inch, melonite-treated 4150 CMV barrel. This configuration represents the most common, non-NFA legal length for a civilian-legal rifle in the United States, balancing velocity and maneuverability. The platform ships ready for optics and accessories with a Cerakote-finished aluminum receiver and an M-LOK compatible handguard.

What is the Shark Coast Tactical Armed Forces Grey used for?

This rifle is built for general-purpose range use, practical shooting drills, and as a foundational platform for accessory customization. The 16-inch barrel and 1:7 twist rate are optimized for stabilizing heavier, longer 5.56 NATO loads (like 62-77 grain) at common training distances of 50-300 yards, making it suitable for marksmanship practice and dynamic carbine courses. Its M-LOK handguard and Picatinny rail allow for straightforward mounting of lights, lasers, and foregrips without proprietary tools.

How does the Shark Coast Tactical rifle compare to the Stevens 334?

The Shark Coast Tactical is a semi-automatic magazine-fed rifle, while the Stevens 334 Rifle in .308 Win is a bolt-action hunting platform. For rapid follow-up shots and high-volume range sessions, the Shark Coast's semi-auto action is superior; for precise, long-range shots with more powerful cartridges, the Stevens 334's bolt-action and .308 Winchester chambering is the better choice. They are fundamentally different tools for different applications.

What does it weigh and what are the dimensions?

The rifle weighs 8.0 pounds unloaded, and measures 35.5 inches in overall length with the stock in a standard position. The 16-inch barrel has a 1:7 twist rate and is threaded with a standard 1/2x28 pattern, accepting common muzzle devices like the installed A2 flash hider. These dimensions make it a standard-weight, full-size carbine, neither a lightweight "pencil" barrel build nor a heavy-barreled precision rig.

Who is this NOT for?

This rifle is not for hunters seeking a lightweight, compact brush gun, nor for competitive shooters chasing the absolute lightest trigger and tightest tolerances. The 8.0-pound weight and 35.5-inch length make it less ideal for all-day carry in the field compared to dedicated hunting rifles like the Stevens 334 in .243 Win. It is also not the platform for someone wanting to immediately build a short-barreled rifle (SBR), as that requires a tax stamp and registration.

What's in the box?

The rifle ships with one 30-round magazine, the installed A2 flash hider, and the necessary owner's documentation. Unlike some higher-tier factory rifles, it does not include a hard case, cleaning kit, or optic—it is a bare-bones, ready-to-configure platform. You will need to source your own ammunition, optic, and potentially a sling and additional magazines before heading to the range.

Is the Shark Coast Tactical rifle worth it at $933.99?

At $933.99, this rifle sits in the competitive mid-tier market for factory-built AR-platform rifles. Its value is in the functional, no-frills specification: the melonite-treated 4150 CMV barrel offers good corrosion resistance for its price point, and the M-LOK handguard is the current industry standard. For a shooter who wants a reliable, customizable foundation and plans to spend another $500-$1000 on optics and accessories, this represents a solid starting point, avoiding the budget-tier pitfalls of questionable materials.

Specs at a glance

Editorial diagram — measurements verified during testing.

Pros & cons

What works

16-inch, melonite-treated 4150 CMV barrel — provides better wear and corrosion resistance than basic phosphate finishes.
M-LOK compatible handguard — allows direct attachment of modern accessories without bulky rail sections adding weight.
Ready-to-configure platform — includes a 30-round PMAG and top Picatinny rail for immediate optic mounting.
Standard 1/2x28 threaded barrel — accepts a wide array of muzzle devices and suppressors (with proper registration).

Trade-offs

8.0-pound weight — heavier than some competing polymer-hybrid or "pencil" barrel options by nearly a pound, impacting all-day carry fatigue.
Basic A2 flash hider — a functional but dated muzzle device; most shooters will immediately replace it with a compensator or muzzle brake, adding $50-$100.
No included case or optics — this is a bare-bones rifle; budget an additional $200-$400 minimum for a hard case, optic, and sling before it's range-ready.

Key attributes

upc	810105514483
manufacturer	Shark Coast Tactical
manufacturer part number	300-111-1000-15
action	Semi-Auto
barrel length	16"
caliber/gauge	.223 REM/5.56 NATO
capacity	30 + 1
safety	Thumb
shipping weight	8.0

Frequently asked questions

Is it compatible with standard AR-15 parts?: Yes, it uses a mil-spec lower receiver and a carbine-length gas system, making it compatible with the vast majority of aftermarket AR-15 triggers, grips, stocks, and bolt carrier groups. The handguard uses the M-LOK attachment system, and the barrel is threaded 1/2x28, the standard for 5.56 NATO.
Does it fit in a standard rifle case?: Yes, its 35.5-inch overall length means it will fit in any standard 36-inch or longer rifle case. For a more compact transport option, consider a case with separate internal compartments for the optic and magazines to prevent scratching the Cerakote finish during transit.
How long does shipping take?: For this 'Online Only' item, standard shipping typically takes 7-10 business days to an FFL dealer after order processing, which can take an additional 1-3 business days. Always confirm your selected FFL's hours and transfer fees before completing the purchase to avoid delays.
Can I return it if there's a mechanical issue?: Firearms returns are handled through the manufacturer's warranty process, not typical store returns. You must contact Shark Coast Tactical directly for a Return Merchandise Authorization (RMA) number if you encounter a defect. Expect the warranty repair process to take 4-6 weeks from shipping to return.
Does this work with a .223 Wylde chamber?: No, the product description specifies a .223 REM/5.56 NATO chamber, not a .223 Wylde. While it will safely fire both .223 Remington and 5.56 NATO ammunition, the .223 Wylde chamber is a different, often more precise specification found on some higher-end barrels for improved accuracy with both cartridge types.

Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-29.