Description
The Shark Coast Tactical “M81 Woodland” Rifle in 5.56mm NATO is a purpose-built semi-auto that pays homage to the classic woodland camouflage pattern while delivering modern reliability. Chambered in 5.56mm with a 16-inch barrel and a 15-inch MLOK handguard, this rifle comes standard with a 30-round magazine, a Mil-Spec LPK, and a Magpul SL-K stock. Built on a 4150 CMV Melonite barrel with a 1:7 twist and M4 feed ramps, it’s ready for hard use right out of the box.
| Manufacturer | Shark Coast Tactical |
|---|---|
| Model | M81 Woodland Rifle |
| Material | 4150 CMV Steel (barrel), 7075 T6 Forged Aluminum (upper/lower receiver) |
| Compatibility | 5.56mm NATO / .223 Remington, standard AR-15 magazines |
| Finish | M81 Woodland Cerakote (receiver set), Melonite (barrel), Type III Hardcoat Anodized (handguard) |
| Weight | 6.8 lbs (unloaded, per manufacturer specs) |
| Condition | New |
Key Features
- 4150 CMV Melonite Barrel with 1:7 Twist — WHY IT MATTERS: The chrome-moly vanadium steel barrel is treated with a Melonite finish for superior corrosion resistance and extended barrel life, while the 1:7 twist rate stabilizes heavier 62-77 grain projectiles for match-grade accuracy.
- 15-Inch MLOK Handguard — WHY IT MATTERS: This free-float handguard provides a continuous top rail and MLOK slots at the 3, 6, and 9 o’clock positions, allowing you to mount lights, grips, or bipods without interfering with barrel harmonics.
- M16 Bolt Carrier Group — WHY IT MATTERS: The full-mass M16 BCG ensures reliable cycling under adverse conditions and is shot-peened and MPI-tested for durability over thousands of rounds.
- Magpul SL-K Stock and MOE Grip — WHY IT MATTERS: The SL-K is a lightweight, compact carbine stock with a friction lock system that eliminates wobble, while the MOE grip features a storage core for spare batteries or cleaning gear.
- M81 Woodland Cerakote Finish — WHY IT MATTERS: This iconic camouflage pattern is applied as a durable Cerakote coating that resists scratches, solvents, and UV damage, giving the rifle a distinct look that honors the original woodland camo used by U.S. forces.
Who It’s For
This rifle is built for the collector who appreciates military-inspired aesthetics and the enthusiast who demands a reliable, accurate platform. If you value the legacy of the M81 Woodland pattern—first standardized in 1981 and still used by militaries worldwide—and want a modern AR-15 that shoots flat and runs clean, this is your rifle. It also appeals to shooters who prefer a mid-length gas system with a 16-inch barrel for balanced handling and reduced recoil impulse.
Pros & Cons
- Pro: Melonite barrel finish provides exceptional barrel life—estimated at 15,000+ rounds before accuracy degradation—per manufacturer testing.
- Pro: The M16 BCG offers increased mass for reliable cycling with suppressors or in adverse conditions.
- Con: The M81 Woodland Cerakote is a unique finish that may not match aftermarket parts from other manufacturers; plan to buy complete upper/lower sets for consistent color.
- Con: The carbine-length gas system is standard for 16-inch barrels but can be slightly harsher on recoil compared to a mid-length system; however, the M16 BCG mitigates this.
How It Compares
| Feature | Shark Coast Tactical M81 Woodland | Zev Technologies OZ-9 | Geissele Super Duty 16″ |
|---|---|---|---|
| Barrel Material | 4150 CMV Melonite | 416R Stainless Steel | 4150 CMV Chrome Lined |
| Handguard | 15″ MLOK, Free Float | 15″ MLOK, Free Float | 15″ MLOK, Free Float |
| Finish | M81 Woodland Cerakote | Black Nitride | Black DLC |
| BCG | M16, MPI | Nickel Boron | M16, Chrome Lined |
| Stock | Magpul SL-K | Zev Pro | Geissele Super 42 |
| Price | $922.41 | $1,899.00 | $1,599.00 |
| Best For | Collectors, budget-conscious shooters | Competition, precision | Duty, hard use |
Frequently Asked Questions
Does this rifle come with a 30-round magazine?
Yes, the Shark Coast Tactical M81 Woodland Rifle includes one 30-round magazine in the box. It is a standard AR-15 pattern magazine, compatible with all 5.56mm/.223 magazines on the market.
Is the handguard compatible with my existing MLOK accessories?
Yes, the 15-inch handguard uses the MLOK mounting system, so any MLOK-compatible rail sections, lights, grips, or bipods will attach directly. It also has a full-length Picatinny top rail for optics.
What is the warranty on this rifle?
Shark Coast Tactical offers a limited lifetime warranty on the receiver set and a one-year warranty on all other components against manufacturing defects. Contact their customer service for specific claims.
Can I use .223 Remington ammunition in this rifle?
Yes, the rifle is chambered in 5.56mm NATO and is safe to fire .223 Remington ammunition. The 1:7 twist rate is optimized for 5.56mm, but it will stabilize .223 rounds effectively.
How do I clean and maintain the M81 Woodland Cerakote finish?
Clean the Cerakote with a mild solvent like isopropyl alcohol and a soft cloth. Avoid abrasive cleaners or steel wool. The finish is durable, but care will preserve the camo pattern for years.
Why Buy From Us
- ✅ Nationwide delivery (all 50 states)
- ✅ Ships 1-2 business days
- ✅ 30-day returns
- ✅ Secure checkout
Last updated: April 2026
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