STNGR 12.5 Inch 5.56 Complete Assembled Upper w/ 13.5 Inch VYPR® Handguard, BCG & CH

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SWARM Warranty

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STNGR 12.5″ 5.56 Complete Upper – Carbine Length Gas with 13.5″ VYPR M-LOK Handguard & BCG

Built to Order – Ships Within 3 Business Days

Features

12.5″ 5.56 NATO barrel with 1:7 twist and carbine-length gas system
13.5″ STNGR VYPR free-float M-LOK handguard
Billet upper receiver with forward assist and dust cover installed
Low-profile .750 steel gas block with carbine-length gas tube
Premium phosphate M16 BCG with 9310 MPI bolt and forged charging handle included
KAK flash can to direct muzzle blast forward
Compatible with mil-spec AR-15 lower receivers

This STNGR 12.5″ complete upper is built for compact AR-15 pistol or SBR configurations using a carbine-length gas system for dependable function in shorter barrel setups. The 5.56 NATO chamber with 1:7 twist handles both 5.56 NATO and .223 Rem loads, giving you flexibility across common bullet weights. The 13.5″ VYPR M-LOK handguard provides a rigid free-float platform with extended rail space while keeping overall weight manageable at just 3.5 pounds.

Disclaimer: Some components may vary from the images shown due to manufacturer updates or availability. All substitutions maintain the same performance standards and overall quality.

Specifications

Brand: STNGR
Model: 12.5″ Complete Upper with 13.5″ VYPR Handguard
Fit: AR-15
Caliber: 5.56 NATO
Barrel Length: 12.5 inches
Twist Rate: 1:7
Gas System: Carbine-length
Gas Block Diameter: .750
Barrel Material: 4150 Alloy Steel
Barrel Finish: Black Nitride
Handguard Length: 13.5 inches
Handguard Type: Free-float M-LOK
Upper Receiver: Billet, Type III Hardcoat Anodized or Cerakote (depending on variant)
Bolt Carrier Group: M16 profile, 8620 carrier with 9310 MPI bolt, phosphate finish
Charging Handle: Forged AR-15 charging handle
Muzzle Device: KAK Flash Can (1/2×28)
Overall Weight: 3.5 pounds
Finish Options: Type III Hardcoat Anodized or Cerakote

What’s Included

1x Billet Upper Receiver (assembled)
1x 12.5″ 5.56 NATO Barrel
1x 13.5″ STNGR VYPR M-LOK Handguard
1x Low-Profile .750 Gas Block
1x Carbine-Length Gas Tube
1x KAK Flash Can
1x Premium Phosphate M16 Bolt Carrier Group
1x Forged AR-15 Charging Handle

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.

ADDITIONAL RESOURCES

Have more questions like “What is is difference between the HWK, RPTR and VYPR handguards?”. Check out STNGR’s FAQ here.

AR-15s 101 Fundamentals course & Top Asked AR-15 Questions. Updated regularly to give you the most current information.

Products available on this page:

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

SWARM Warranty

STNGR USA products are warranted to the *original purchaser against any defects in materials and workmanship for the lifetime of the product. STNGR USA has sole discretion to determine manufacturer’s defects. The Swarm Warranty policy does not cover loss or theft. Cosmetic damage or changes that leave the product still in a functional condition, damage from improper use or intentional damages are also not covered by the warranty and will not be accepted. Items that have been modified or in any way altered from the original condition are not covered by the Swarm Warranty.

Eyewear lenses are fully covered by a 1 year scratch warranty. If you scratch or damage your lenses within 1 year of purchasing, STNGR will send you up to 1 pair of replacement lenses. This warranty only applies to the original purchase and not subsequent replacements. You also qualify for **20% off replacement lenses for life. Email support@stngrusa.com to receive your discount code.

Eyewear Lost & Broken Replacement Discount

Sometimes life happens. If you ever break or lose your sunglasses, no matter the reason, you’re covered with a hefty discount. Shoot STNGR an email at support@stngrusa.com and you’ll get you hooked up with an exclusive 30% discount on future replacements.

*The original purchaser may have purchased from any of the following sources: Directly from STNGR (stngrusa.com or stngredge.com) or from an authorized dealer, distributor, or retailer. The original purchaser may be asked to show proof of purchase.

**The 20% discount is subject to replacement lens availability.

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