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Double Diamond G21 Gen 5 .45 to 10mm Conversion Barrel

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550 views 2 replies 2 participants last post by  RockoC  
#1 ·
$100.00

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Marmora, New Jersey
I'm selling an almost new Double Diamond conversion barrel for a Glock 21 Gen 5. It is standard length, non-threaded, and stainless steel (silver). Part# 11408-STS-21G5-STDL. I fired less than 50 rounds through it.

To convert to 10mm, you will need this barrel, new G20 mag(s), and a new extractor. This listing is for the barrel only.

The barrel is in the factory packaging and will ship free. I'll accept Venmo, Paypal, or Zelle. Thanks!
 
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#3 ·
No, the extractors are different Glock part numbers so, yes, you would have to switch it back and forth. It's a GREAT solution for someone looking to switch permanently (Ex. - I bought a G21 but wish I had gone with the G20) or at least for a long while. Not so much for swapping frequently. That's why I'm selling it and why I bought a G20 slide assembly. I like to shoot both calibers at the range and don't want to rebuild the slide every week.
 
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