Drontheim Custom Shop – Reproduction A1 HBAR Rifle (Colt Mod. 606)

This build is a reproduction of a classic Colt A1 Model 606 HBAR Rifle.

FEATURES:

A1 Upper Receiver

Specifications:

• Platform: AR15
• Profile: Original slick-side A1 carry handle, no shell deflector
• A1 sights
• Material: 7075-T6 forged aluminum
• Feed Ramps: standard ramps
• Finish: Mil-spec Type III Hard Anodized
• .250 takedown pin holes
• Includes port door and forward assist
• Weight: 7.6 oz.

20″ HBAR Chrome-Molybdenum Barrel

Specifications:

• Profile: Heavy Barrel
• Chamber: 5.56 NATO
• Barrel Finish: Phosphate
• Barrel Lining: Chrome
• Barrel Steel: Chrome-Molybdenum
• Barrel Thread: 1/2 x 28
• Barrel Twist: 1:9
• Feed Ramp: M4 Ramps
• Front Site Base: A1-style (standard-height), with bayonet lug
• Gas Block: .750 inch
• Gas System: Rifle Length
• Muzzle Device: A2-style Bird Cage
• Weight: 2.9 lbs

Handguard

Specifications:

• Length: Rifle length
• Lining: Aluminum Heat Shielded
• Material: High Strength Polymer
• Profile: Triangular A1, with Drainage Holes
• Triangular end cap

Aero AR15 Lower Receiver, Gen 2 (Until I can get an A1-style lower)

SPECIFICATIONS:

• Platform: AR15
• Material: 7075-T6 forged aluminum
• Finish: Mil-spec Type III Hard Anodized
• Increased Magwell Flare, for easier insertion of magazines
• Rear takedown pin detent hole threaded with a 4-40 set screw
• Upper tension screw, nylon-tipped, tuned for a perfect fit with upper receiver
• Weight: 8.35 ounces

Aero AR15 Lower Parts Kit

Specifications:

• Standard Parts Kit