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Check Out Our
Lock Back Unit
We now have an Aluminum Lock Back and Steel Lock Back Conversion Unit
for our Unit 1 Govít Length Conversion Unit.
Aluminum Lock Backís start at $499.00
Steel Lock Backís start at $695.00 These lock back conversion units must use our metal magazines that have been modified for the lock back feature.
If you would like to place an order
Call 1-800-295-1987
for further details



1) Will the Marvel Conversion Unit fit the Colt Model 1991-A1 45 caliber pistol, the Kimber Gold Match, and the Eclipse Custom II?
Yes, our Marvel Conversion Unit will fit. Our Conversion Units will fit most
1911 configuration frames. The Conversion Unit will fit the STI, PO, STI
Wide Body and the PO Wide Body.
We do know, our Conversion Units will not fit on the models listed below:

Bull M-5
Taurus PT92
We do have many customers that have our Conversion Unit on their Les Bear,
but there are times when our Conversion Unit will not work.

2) Does our Conversion Unit use its own feed ramp?
Yes, our Conversion Unit uses it own feed ramp.

3) Is the Marvel Conversion Unit available in Stainless?
No, our Marvel Conversion is available in the black matt finish only.

4) Do the compensators match the Marvel Conversion Unit?
Yes, our compensators come in the black matt finish.

5) Do the compensators come with the Conversion Unit?
No, our Compensators, which are available in Aluminum and Steel can be
purchased as an accessory.

6) Would a Colt Gold Cup classify as a Government model?
Yes, it has a Government length slide.

7) Does Marvel Precision offer a threaded barrel to accommodate a suppressor?
Yes, Marvel Precision now offers threaded barrels with our Conversion Unit for a suppressor. The threading on our barrels is ½ x 28 tpi.

8) Does the Marvel Conversion have a last shot, lock open feature?
No, it will not lock open after the last shot.

9) What type of sights does Marvel Precision put on their Adjustable Sight Unit?
Our sights are a Bo-Mar style.

10)How many magazines come with the Conversion Unit?
One poly magazine is included with our Conversion Unit.

11)How many rounds will a magazine hold?
Our magazines hold 10 rounds.

12) What is the length of our barrel?
Our Unit 1 barrels are 5.3" and the length of our Unit 2 "The Practical" is 4.8"


Our magazines are made of polymer and steel.

Our slides are made of aluminum, and our slide stops are made of steel.

Our Unit 2 "The Practical" will not have a compensator available for this particular Unit.

Our magazines are a Colt Ace Style Magazine.




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