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.
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BUTTSTOCK:
STYLE:
Later / Improved Solid Body
Type D
BUTTPLATE:
Solid Rubber
SWIVEL:
Pinned, Metal with
Plastic Covering
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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
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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
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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"
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BOLT GROUP:
CARRIER:
Parkerized with Forward Assist Serrations
BOLT:
Chrome or Parkerized
FIRING PIN:
Improved Light Flat Head
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CHARGING HANDLE:
Current Improved Design
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HANDGUARD SLIP RING:
Flat
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BARREL:
DIAMETER:
0.750" at the Front Sight Base
LENGTH:
20"
TWIST RATE:
1/12
MARKINGS:
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HANDGUARDS:
Standard Triangular
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FRONT SIGHT BASE:
STYLE:
Forged
MARKINGS:
None
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FLASHHIDER:
Improved 3-Prong
RETRO BLACK RIFLE - RIFLE GUIDE - MODEL 606
.223 Cal / 5.56mm MILITARY RIFLE GUIDE
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Photo courtesy of tgus
Photo courtesy of tgus
Photo courtesy of tgus
Photo courtesy of
tgus
Photo courtesy of tgus
Photo courtesy of tgus