300 AAC "FSSK10-SG" Pistol Upper Kit


  • Product Code: UPPER KIT-18-FSSK10-SG
  • Availability: In Stock
  • $359.99

  • $499.99

Available Options

AR-15 Mil-Spec Upper Receiver (Stripped) - Made in U.S.A.-Cerakote Sniper Gray

  • High quality and lightweight stripped Upper Receiver (does not include upper parts)
  • Material: Aircraft grade Aluminum
  • Finish: Cerakote Sniper Gray 

  • Color vary slightly form picture posted 

AR-15 Ultra Light Frame Rail System- Cerakote Sniper Gray

  • Material: Aircraft grade 6061-T6 aluminum/locking
  • Length: 10”
  • Internal diameter: 1.35” width 1.67 height
  • Keymod location: 3, 6, 9, 12 o’clock location
  •  Top rail has 4 slots or (1.78”) section of pica-tinny on the beginning and end of rail, the rest of the rail is skeleton cut with keymod section for perfect customization.
  • Finish: Cerakote Sniper Gray 
  • Color vary slightly from pictures posted
  • Barrel nut material:  Steel
  • Clamp on design with proprietary screw and locking washer for easy installation
  • Flush fitment on receiver no gap
  • Spanner wrench needed to torque barrel nut to spec (not included) and hex wrench
  • This rail does not come with keymod section, sold separately


    Barrel machined  in the U.S chambered in the 300 BLK (AAC Blackout) rifle cartridge
    Runs the American 30 caliber slug with an enhanced pistol gas system port. 
    This barrel carries the same tread pitch as the AR-10 barrels 5/8x24 to add a muzzle device.
    • Length: 7.5”
    • Chambered: .300 BLK (AAC Blackout)\
    • 1:7 Twist 
    • .750” gas block diameter

    Please refer to your local state law before purchasing

    Low-Profile Micro Steel AR Gas Block .750

    • Constructed of Steel
    • Set screw mounts
    • Fits .750 Dia Barrels
    • Color: Black Phosphate finish

    AR-15 Forward Assist Complete Mil Spec Assembly

    Includes plunger
    • forward assist pawl
    • spring
    • retainer pin

    AR-15 Ejection Port Cover Assembly

    Ejection Port Cover Door
    • Steel Spring
    • Steel Rod
    • C-Clamp
    • Replaces your missing or damaged Ejection Port Cover on your AR-15 Rifle

    AR-15 Tactical Rifle /Charging Handle Assembly

    • Mil-Spec
    • 6061-T6 Aircraft Aluminum Body with 7075 Latch 
    • Black Oxide Finish
    • Smoothest Operation under Extreme Conditions
    • Includes: Handle,latch,pin and spring
    Fits: AR-15 Rifles

    Stainless Steel Gas Tube - Pistol Length

    Material: Stainless Steel (optimal heat and corrosion resistance)
    • Mil-Spec Dimensions (consistant gas flow)
    • Length: 6.7"
    • Made in the U.S.

    AR-10/47/300AAC Thread-on Fake Can Muzzle Brake

    • 300AAC/7.62/308/Thread-On Fake Can Muzzle Brake
    • CNC Machined High Quality Aluminum Billet
    • 5/8X24 Thread Pitch
    • Solid Machined Construction
    • Type 3 Anodized Finish
    • Reduces Muzzle Rise
    • Inside Diameter 0.55"
    • Measures 6 Inch Total Length
    • Weight 3.9oz