HISTORY / BACKGROUND:
The R6001 was Released Sepember 27, 1977.
It was similar to a Late R6000 SP1 but has a 16" chromed barrel and a 2 position collapsible stock.
Production of the SP1 series ended in late 1982 with the introduction of the Sporter II series.

______________________________________________________________________________
BUTTSTOCK:
STYLE:
2nd Generation Collapsing Stock

MATERIAL:
Aluminum Body coated with Vinyl-Acetate


_________________________________________________________________________________________________

BUFFER GROUP:
BUFFER:
Standard Carbine Buffer

SPRING:
Standard Carbine Spring

TUBE:
2-Position Tube

_________________________________________________________________________________________________

LOWER RECEIVER:
STYLE:
Slabside"


MARKINGS:
(Colt Logo) Colt
           AR15

Model Sp1
Serial SP XXXXX


TAKEDOWN / PIVOT PINS:
Late Takedown Pin
Large Screw Pivot Pin


SELECTOR:
"Later"


MAGAZINE RELEASE BUTTON:
Later/Improved with Circular Line Pattern


BOLT CATCH/RELEASE:
"Later"

OTHER:
Milled selector stops
_________________________________________________________________________________________________

UPPER RECEIVER:
PROOF MARKS / FORGE CODE:
Colt Forge Mark inside Carry Handle
below Rear Sight.

See the Component Guide for a
listing of Forge Codes.


REAR SIGHT:
Standard "Late Production" A1 Sight


EJECTION PORT COVER:
"Late A1 Production" Type





_________________________________________________________________________________________________

BOLT GROUP:
Standard Colt Bolt Group
with a "C" marked Carrier,
and a "MPC" marked Bolt

_________________________________________________________________________________________________

HANDGUARD SLIP RING:
Flat




_________________________________________________________________________________________________

BARREL:
DIAMETER:
0.625" at the Front Sight Base

LENGTH:
16"

TWIST RATE:
1/12

MARKINGS:
"Early" - C MP B
M = Magnetic Particle Inspected
P = Proof Fired
B = Chrome Bore

"Late" - C MP Chrome Bore

_________________________________________________________________________________________________

HANDGUARDS:
Carbine Handguard
with Single Heat Shield




_________________________________________________________________________________________________

FLASHHIDER:
A1 "Birdcage"
RETRO BLACK RIFLE - CIVILIAN GUIDE - MODEL R6001
setstats
.223 Cal / 5.56mm
CIVILIAN RIFLE &
CARBINE
GUIDE
SP1 Serial Number
Ranges
Colt R6000 / SP1
Colt R6001 / SP1
Carbine
Colt R6002 / SP1
Colt R6003 / SP1
Carbine
Colt R6004 / SP1
Colt R6007 / SP1
Colt R6010 / SP1