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Yes, despite what all these "internet
experts" claim, Colt made them 1970-1980. Yes, it's true, there are some floating around that folks changed on their own, but Colt made them at the factory that way too. They had early M-16 uppers, most had no forge codes on the uppers.
The front pivot hole diameter is smaller than the receiver and the factory used an offset screw to mate the pair. These rifles are scarce, and worth considerably more than the slab side SP-1 everyone drools over. It's the closest design to a Vietnam era M-16 you will find. Don't pass up on one because someone said no SP-1's had forward assists. They are just plain wrong.
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∙ 11y ago
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What is a Model SP1 AR15 rifle?
Variant of the AR-15 manufactured by Colt. It had a 'slab side' lower and no forward assist.
Colt sp1 serial 55816?
Proofhouse.com has Colt sn data
What is a colt ar 15 sp1 ser?
You will have to call Colt with the sn to find out.
What is the manufacture date of a Colt AR15 model SP1 serial number SP192754?
What is the manufacture date of a Colt AR15 rifle serial number 192754 model SP1
Age of colt sp1 sn. sp 206892?
Proofhouse.com has Colt sn data. If it's not there, call Colt
What is the date of manufacture of a colt AR15 SP1 with the serial number of SP350358?
You will have to call Colt to find out.
Year of manufacturing of a colt sp1 with the serial number sp192496?
You can find out at Proofhouse.com in the Colt tables.
What is the manufacture date of a colt sp1 serial number 106807?
Proofhouse.com has Colt sn data.
What is the date of manufacture of colt ar-15 sp1 serial no sp106807?
Proofhouse.com has Colt sn data.
What is the value of a colt sp1 serial 29XX?
100-1000 or so
What is the age of colt ar-15 sp1 serial 761?
@1964
What is value of colt sp1 serial sp84540?
50-1500 usd
