Page Title

Please click here to visit the "Military Rifle Components Guide" for
additional info and photos of the various components used on this model.

HISTORY / BACKGROUND:
The Colt Model 606 HBAR was the first AR-15/M-16 model developed with a full length heavy barrel. The
barrel is not tapered like later controversial M16A2 barrels.
__________________________________________________________________________________

BUTTSTOCK:
STYLE:
Later / Improved Solid Body
Type D

BUTTPLATE:
Solid Rubber

SWIVEL:
Pinned, Metal with
Plastic Covering

______________________________________________________________________________________________________

BUFFER GROUP:
BUFFER:
Unique Plastic Rifle Buffer

SPRING:
Standard Rifle Spring

TUBE:
Original Tube,
No wrench flats,
Hole in tube at receiver
end to tighten tube
______________________________________________________________________________________________________

LOWER RECEIVER:
STYLE:
"Partial Fence"

MARKINGS:
Colt Logo
COLT AR-15
MOD. 06
CAL. 5.56 MM.
Serial XXXXXX

SELECTOR:
"Later"

TAKEDOWN / PIVOT PINS:
"Later" Pins

BOLT CATCH/RELEASE:
"Latter" with Raised/Grooved End
______________________________________________________________________________________________________

UPPER RECEIVER:
PROOF MARKS / FORGE CODE:
Colt Proof Marks - Triangle & Square with "C"
Located in front of ejection port
No Forge Code

REAR SIGHT:

EJECTION PORT COVER:
"Later" with " Rectangular Plate"
______________________________________________________________________________________________________

BOLT GROUP:
CARRIER:
Parkerized with Forward Assist Serrations

BOLT:
Chrome or Parkerized

FIRING PIN:
Improved Light Flat Head

______________________________________________________________________________________________________

CHARGING HANDLE:
Current Improved Design

______________________________________________________________________________________________________

HANDGUARD SLIP RING:
Flat

______________________________________________________________________________________________________

BARREL:
DIAMETER:
0.750" at the Front Sight Base

LENGTH:
20"

TWIST RATE:
1/12

MARKINGS:

______________________________________________________________________________________________________

HANDGUARDS:
Standard Triangular

______________________________________________________________________________________________________

FRONT SIGHT BASE:
STYLE:
Forged

MARKINGS:
None

______________________________________________________________________________________________________

FLASHHIDER:
Improved 3-Prong

RETRO BLACK RIFLE - RIFLE GUIDE - MODEL 606