STNGR 14.5 Inch 5.56 Complete Upper w/ 15 Inch HWKXL® Handguard, BCG & CH

STNGR 14.5″ 5.56 Complete Upper with 15″ HWKXL® Suppressor-Ready Handguard, BCG & CH

This complete upper from STNGR delivers a full-length, suppressor-ready platform for shooters who want maximum velocity and a true rifle-length setup without the added paperwork. The 14.5-inch barrel is the go-to choice for patrol rifles, competition builds, and multi-purpose setups where you need the ballistic performance of a 16-inch barrel in a more compact package. This is ideal for duty use, 3-gun competition, or anyone building a lightweight rifle that still delivers full 5.56 velocity. The 15-inch HWKXL handguard extends past the muzzle for that clean, tucked look—perfect if you’re planning to pin and weld a muzzle device to reach 16 inches or add a suppressor down the line.

The AT3 14.5-inch government profile barrel in 5.56 NATO pairs with a mid-length gas system for smooth, reliable cycling and reduced recoil compared to carbine-length systems. The STNGR HWKXL handguard is built from 6061-T6 aluminum with M-LOK slots at 3, 6, and 9 o’clock, plus QD sling points front and rear. At just 9.6 ounces, it keeps the weight down while giving you a full-length top rail and plenty of room to mount lights, lasers, and grips.

This upper comes fully assembled and ready to run—STNGR includes their phosphate chrome-lined M16 bolt carrier group with a C158 bolt and a standard GI charging handle. Built on AT3’s slick side billet upper receiver with a low-profile .750 steel gas block, mid-length stainless gas tube, and KAK Slimline flash can. Available in Black, Flat Dark Earth, and OD Green to match your build.

Features

• 14.5-inch government profile barrel with mid-length gas system for smooth cycling
• 15-inch STNGR HWKXL handguard with suppressor-ready design for tucked muzzle devices
• M-LOK slots at 3, 6, and 9 o’clock with QD sling points front and rear
• Full-length top Picatinny rail for optics and accessories
• STNGR phosphate chrome-lined BCG with C158 bolt and standard GI charging handle included
• Slick side billet upper receiver for clean lines
• KAK Slimline flash can redirects muzzle blast forward
• Available in Black, Flat Dark Earth, and OD Green

Specifications

• Brand: STNGR
• Model: 14.5 Inch 5.56 Complete Upper w/ 15 Inch HWKXL® Handguard, BCG & CH
• MPN: STNGR-CU-R-HWKXL-145
• Caliber: 5.56 NATO
• Barrel Length: 14.5 inches
• Barrel Profile: Government
• Gas System: Mid-length
• Handguard Length: 15 inches (actual 15.5 inches)
• Handguard Type: M-LOK free-float
• Handguard Material: 6061-T6 Aluminum
• Handguard Weight: 9.6 ounces
• Inside Diameter: 1.75 inches
• Upper Receiver: Slick side billet
• Gas Block: .750 low-profile steel
• Bolt Carrier Group: STNGR phosphate chrome-lined M16 with C158 bolt
• Charging Handle: Standard GI
• Muzzle Device: KAK Slimline flash can (1/2×28 thread)
• Color Options:
  • Black – Type 3 Hardcoat Anodized
  • Flat Dark Earth – H-267 Cerakote Magpul® Flat Dark Earth
  • OD Green – H-232 Cerakote Magpul® OD Green

What’s Included – Installed

• 1x Assembled Upper Receiver
• 1x 15″ STNGR HWKXL M-LOK Handguard
• 1x 14.5″ AT3 5.56 NATO Government Profile Barrel
• 1x KAK Slimline Flash Can
• 1x 1/2″ Crush Washer
• 1x Mid-Length Gas Tube
• 1x Low-Profile Gas Block
• 1x STNGR Phosphate Chrome-Lined BCG
• 1x Standard GI Charging Handle