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Posted: 11/19/2003 10:26:09 AM EDT
Have been offered a used Pre-ban AR-15 SP-1 barrel. It is the 20" model. The bore measures approximately .243" or 6mm. It is complete with the front sight with bayonet lug, sling attachment and nut. Chromed bore, threaded muzzle, 1 in 12 twist.
This is new to me - Worth 50 bucks?
Source/link where I can read up on this variant?
Link Posted: 11/19/2003 6:41:54 PM EDT
Sounds like a 6x45 barrel. Someone on the Predator Masters board had one a while back and claimed it was a military trials barrel from the early 70's.
Link Posted: 11/19/2003 6:46:49 PM EDT
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