STNGR Complete .223 Wylde Upper with HWK Handguard
Built to Order – Ships Within 3 Business Days
Introducing the new STNGR Complete Upper. As the name suggests, it comes complete with all the parts needed to have you sending lead down range sooner. Perfect for those who want to save time with a truly plug-and-play solution.
This complete upper uses a hybrid 223 Wylde barrel with 1:8 twist, performance Bolt Carrier Group (BCG), billet upper, mid-length gas system and is compatible with all mil-spec lowers. All parts are made, assembled in the USA and backed by the legendary lifetime SWARM Warranty.
Shop the new complete upper and join the SWARM!
WHAT’S INCLUDED?
- Billet Upper Receiver
- 16″ Barrel – 223 Wylde, 1:8 Twist (223 Wylde is a hybrid chamber optimized for 5.56 NATO & 223 Rem rounds
- STNGR HWK 15″ M-Lok Free Float Handguard in anodized black
- AR15 Charging Handle – Forged
- Premium Phosphate M16 Bolt Carrier Group (BCG)
- 9310 Alloy Steel Bolt – Case Hardened, Shot Peened, MPI
- 8620 Alloy Steel Carrier
- Low Profile Gas Block .750″, Set Screw, Steel – Nitride Finish
- AR15 Gas Tube – Mid-Length
- Flash Hider- A2, Crush Washer
- Pin, Hinge, Dust Cover, Ejection Port, Spring
- Barrel Material: 4150 alloy steel with a Black Nitride finish
All parts are made in the USA. STNGR Complete Uppers are assembled by hand.
NO ASSEMBLY REQUIRED
When the phrase “plug-and-play” was invented, they had the STNGR complete upper in mind. Just drop your upper into your lower, install an optic, and you’re good to go.
SHOOT .223 & 5.56 AMMO
The 223 Wylde hybrid chamber allows you to safely shoot both 5.56 NATO and .223 Remington caliber ammunition.
Made in the same facility as other top brands, this barrel is built to outshoot other premium barrels on the market. Engineered from 4150 gun barrel steel and Black Nitride treated to ensure corrosion resistant performance through thousands of rounds. Upgrade your AR-15 and enjoy superior accuracy and reliability with every shot.
BCG + CHARGING HANDLE INCLUDED
When we say “complete upper”, we really mean it. Everything you need is included – and that means a high-performance Bolt Carrier Group (BCG) and charging handle too – for free.
But what does “high performance BCG” even mean?
Simple. A feature packed Bolt Carrier Group designed from the ground up to increase reliability and durability of your rifle.
The 8620 alloy steel, case hardened, Premium Phosphate finished Carrier paired with a 9310 alloy steel, case hardened, shot peened, MPI, Premium Phosphate finished Bolt makes for a BCG that will cycle flawlessly for years under the gnarliest conditions.
Reliability when you need it.
ANTI-ROTATION TABS
The HWK handguard has built in anti-rotation tabs to prevent any kind of rotation.
These tabs integrate perfectly with our billet upper. Like peanut butter and jelly it’s a match made in heaven.
Specifications
- Fit: AR-15
- Caliber: .223 WYLDE (.223 REM and 5.56 NATO)
- Barrel Length: 16″
- Gas System: Midlength
- Handguard Length: 15″
- Overall Weight: 4.28 lbs
- Finish: Type III hardcoat anodized
BACKED FOR LIFE
STNGR proudly stands behind their products with the SWARM Lifetime Warranty. If you have any issues happen that aren’t caused by normal use, they’ll send you a replacement – for free. It’s that simple. You also get free returns and exchanges for 60 days.
Read the full warranty here.
Products available on this page:
- STNGR 16" .223 Wylde Complete Assembled Upper Receiver w/ 15" HWK® Handguard, BCG & CH - Black - Color: Black | SKU: 15HM-UPPER
- STNGR 16" .223 Wylde Complete Assembled Upper Receiver w/ 15" HWK® Handguard, BCG & CH - Flat Dark Earth - Color: Flat Dark Earth | SKU: 15HM-UPPER-FDE
- STNGR 16" .223 Wylde Complete Assembled Upper Receiver w/ 15" HWK® Handguard, BCG & CH - OD Green - Color: OD Green | SKU: 15HM-UPPER-ODG





























