HISTORY / BACKGROUND:
The first 17 ArmaLite AR15 rifles were originally built with a trigger charging handle similar to the one
used on AR10s.
Several were updated to the early triangle charging handle.
Various types of "furniture' were tested including wood and fiberglass.




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BUTTSTOCK:
STYLE:
Various including fiberglass and wood


BUTTPLATE:


SWIVEL:




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BUFFER GROUP:
BUFFER:
Early Edgewater


SPRING:
Rifle


TUBE:

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LOWER RECEIVER:
STYLE:
Unique Slabside









MARKINGS:

ArmaLite Logo
AR-15
Hollywood Calif. U.S.A.
Patents Pending
Serial Number


SELECTOR:
Unique Prototype Selector
with Hole in Center

TAKEDOWN / PIVOT PINS / Trigger & Hammer Pins:
"Original" with Hole in Center









BOLT CATCH/RELEASE:
Similar to AR10

MAGAZINE RELEASE BUTTON:
Original with Horizontal Line Pattern
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UPPER RECEIVER:
PROOF MARKS / FORGE CODE:
None


REAR SIGHT:
Counter Clockwise Arrow and L


EJECTION PORT COVER:
Early Square




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BOLT GROUP:
CARRIER:
Chrome Slickside

KEY:
Chrome

BOLT:
Chrome

FIRING PIN:
"Original" Heavy Flat Head
Retained with "Original" Machined Pin
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CHARGING HANDLE:
STYLE:
Prototype Trigger Charging Handle
Some were later updated with triangle charging handle.





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HANDGUARD SLIP RING:
STYLE:
None or Various (Need Pictures of others)
000001:no slip ring
000002:
000003: cross hatch slipring
000004:polished aluminum slip ring
000012: No slip ring



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BARREL:
DIAMETER:
0.625" at the Front Sight Base

LENGTH:
20"

TWIST RATE:
14:1
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HANDGUARDS:
STYLE :
Various types of Fiberglass
Wood(Serial Number 000004)




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FRONT SIGHT BASE:
STYLE:
Various (Original Style Pictured)












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FLASHHIDER:
STYLE:
None & Various
(Serial Number 1 flashhider pictured)


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RETRO BLACK RIFLE - PROTOTYPE GUIDE - ARMALITE PROTOTYPE AR15
setstats
.223 Cal / 5.56mm
PROTOTYPE
RIFLE
GUIDE
ArmaLite AR15
Colt 703
Colt 645
M16A1E1