BKF M16A1 20″ 5.56 Colt Model 606 CLP HBAR Style Complete Upper

Description

The Colt Model 606 HBAR was the first AR-15/M-16 model developed with a full length heavy 4150 Barrel.

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 M16 Slick Side Assembled Upper Receiver
• BKF 20″ 5.56 DMR/HBAR Rifle Length AR 15 Chrome Lined Phosphate 4150 Barrel W/ FSB, Triangle Handguard Cap and Delta Ring Assembly (NON F-Marked For A2)
• BKF Rifle Length Gas Tube
• A1 Rear Sight Assembly
• Rifle Length A1 Triangle Handguard
• Retro 3 Prong (Improved Version) Flash Hider
• Product comes assembled
• No BCG or Charging Handle
  

Standard Upper Features:

This Stripped Slick Side A1 Upper Receiver is made from 7075-T6 aluminum forgings machined to final dimensions. Correct early-style carry handle contours with A1-pattern rear sight housing. The Slick Side A1 Upper eliminates the shell deflector and forward assist. All points where other parts attach are finished current mil-spec dimensions. Current production AR-15 components will fit perfectly.

Note that the AR-15 / M16 Slick-side Upper Receiver is period-accurate therefore it DOES NOT have M4-type feed ramps found on most current-production AR-15 flattop upper receivers.

BKF AR15 20″ 5.56 DMR Rifle AR 15 Barrel W/ FSB Triangle (NON F-Marked For A2):

Our 5.56 chambered 20 inch DMR Rifle Length Classic Series Barrel is machined from CrMoV steel with a chrome lined bore and chamber with a manganese phosphate finish and phosphate coated M4 feed ramp extension. This barrel includes the front sight base (NON F-Marked) For A2 Uppers , Triangle handguard cap and delta ring assembly. This Triangle handguard cap is used for most retro builds.

Additional Info

B. Kings Firearms barrels are manufactured by a Top Tier Barrel Manufacturer to our specifications. B. Kings Firearms barrels are made for combat and heavy duty use. We rate all of our Pinned Gas Block models for full auto use. We guarantee 1 MOA or better on all BKF barrels when used with match grade ammunition.

PRODUCT SKU: BKF-CUR-M16A1-SS-20-HBAR-556-TRI-3P