18” 223 Wylde Spiral Fluted Stainless SHARK Side Charger Complete Upper

Barrel:

• Length:           18”
• Profile:            Heavy
• Twist:  1-8
• Finish: Stainless TWO TONE 
• Material:         4150 Chrome Moly Vanadium
• Caliber:           223 Wylde
  
• Feed Ramp:    M4
• Flutes: Spiral Fluted
• Gas System:    Carbine
• Gas Block System:     0.075
• Gas hole diameter: 0.070

Side Charging Upper Receiver:

High-quality, billet upper receiver comes in A3 flattop configuration that offers plenty of flexibility in both open and optical sighting options. MIL-STD 1913 Picatinny rail has cross-slots that accept popular AR-15/M16 accessories and scope mounts.

Bolt Carrier Group:

• Chromed-lined carrier made from 8620 steel
• Shot peened, MPI tested bolt made from 9310 steel
• Properly staked, chrome-lined gas key
• Headspaced and matched to barrel

16.5” Viper Handguard:

• 6.5" FREE FLOAT HAND-GUARD
• STEEL BARREL NUT INCLUDED
• CLAMP ON DESIGN WITH NO INDEXING NEEDED
• ULTRA LIGHT WEIGHT
• BLACK ANODIZED
• SHARK MOUTH DESIGN
• STEEL BARREL NUT INCLUDED + SHIMS
• 2 X REMOVABLE KEYMOD RAILS INCLUDED

Muzzle Brake:

• CNC MACHINED HIGH QUALITY STEEL
• HEAT TREATED
• SIDE PORTED AND PORTED ON TOP
• SOLID MACHINED CONSTRUCTION
• BLACK GLOSS FINISH
• REDUCED BACKPRESSURE
• 1/2"X 28 PITCH (STANDARD 5.56/.223 .22 THREADS)
• FREE .223 CRUSH WASHER INCLUDED