BKF M16A1 20″ 5.56 Colt Model 603 Style Complete Upper

Description

This product is 100% Made in the USA! Our gas tubes, gas blocks and even roll pins are all proudly manufactured in the US. All Complete uppers are headspaced prior to shipping and test fired.

Includes:

• BKF M16A1 Forward Assist, No Brass Deflector Assembled Upper Receiver
• BKF AR15 20″ Pencil 4150 Barrel – 1-7 Twist
• BKF Rifle Length Gas Tube
• A1 Rear Sight Assembly
• Rifle Length A1 Triangle Handguard
• Mil-Spec Flash Hider
• Product comes assembled
• No BCG
  

20″ Pencil 4150 Barrel – 5.56  1-7 w/FSB

This 20″ Pencil 4150 Barrel is perfect for your AR-15 build. It features a front sight tower for easy targeting and enhanced accuracy and longevity. The 5.56mm,  1:7 twist rate is ideal for a wide range of bullet weights. Get the best performance from your rifle with this high-quality 4150 Barrel.

Specifications:

• Length: 20″
• 4150 Barrel Twist: 1-7
• Caliber: 5.56mm
• Material: 4150 CMV
• Finish: Mag Phosphate
• .625 at the journal
• Non F marked front sight

All NFA/ATF Rules Apply
You may use this 4150 Barrel with a lower receiver that is a Registered SBR, Machine Gun, or Pistol. Possession of this 4150 Barrel along with a Non-NFA lower receiver is Prohibited, except when permanently attaching a muzzle device extending the length to 16 inches.

PRODUCT SKU: BKF-CUR-M16A1-ND-TDFA-20P-556-TRI-A2FH