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Item Gone: FS/FT Gorgeous COLT MK IV 70 Series Satin Srainless as New

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Not sure if its a series 70....given the 80's date and polished stainless my guess would be series 80. I have a polished SS 80 series, its beautiful. All my 70's are blue or nickle with yellowish tint. my $.02 worth.
 
From R. Doug Wicker:
Colt ended the Mk. IV Series 70
in 1983 with the introduction of the Series 80. This M1911 initially retained the split barrel bushing, but it incorporated a new feature hated by M1911 purists. It is theoretically possible that if a cocked-and-locked M1911 is dropped onto a hard surface in such a way that the muzzle strikes first, the free-floating firing pin may have enough inertia to overcome the tension of the firing pin spring and thus impact the bullet primer. This could produce an unintended discharge.
Colt addressed this concern in 1983 by redesigning the firing system to incorporate a firing pin block. The firing pin block is disengaged by the trigger mechanism as the trigger is pulled.

So if this is a 1982 model as the seller states it is a Series 70.
 
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