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 willyp | Home > Weapons of the world photo Albums > US Colt/Armalite AR15/M16 (5.56) > 
Colt SP1 carbine
The SP1 was the original civilian version of the Colt M16, the AR15, it was produced in regular versions w/20" barrel & the carbine (shown here) w/16" barrel. These rifles were semi only & did not use a military style pivot pin in the front receiver boss, rather they had larger diameter front upper/lower receiver bosses & used a double ended screw to secure the upper/lower together.
Album by willyp. Photos by willyp. 1 - 21 of 21 Total. 4261 Visits.
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Enlarge photo 1

SPC R

Enlarge photo 2

SPC R dr open

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SPC R Stk Extended

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SPC R Apart

Enlarge photo 5

SPC R Butt

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SPC R Actn

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SPC R Actn Dr open

Enlarge photo 8

SPC R Top lwr Revr

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SPC R letters

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SPC Inside Lower

Enlarge photo 11

SPC R Hguards

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SPC R Mzzl

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SPC R FH

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SPC L mzzl

Enlarge photo 15

SPC L Hguards

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SPC L Actn

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SPC L Mkg

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SPC L Butt

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SPC L open

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SPC L Xtended

Enlarge photo 21

SPC L

 
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