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Twin Tech short (slide length) SR22 Threaded Barrel for 4 1/2" SR22 Model 03620

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  • This is our NEW 4.65" threaded barrel for the 4 1/2" Ruger SR22 model 03620.
This is our slide length version that looks like the factory non-threaded barrel with the slide closed.
The slide must be pulled back to attach an adapter and suppressor.
  • NEW Threaded barrels for 4 1/2" Ruger SR22
  • Note the longer adapter needed for this barrel.
Adapter part numbers for this barrel are SR22ELTBA and SR22ELTB-SA.
Click on the links below.
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Twin Tech Tactical
RRP: $137.00
$127.00 (You save $10.00)

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 Product Description


Ruger now offers a 4 1/2" barrel length SR22 model 03620.

This barrel will fit Ruger SR22 with 4 ½” barrel, model number 03620.

Be sure you are ordering the correct barrel for the barrel length gun that you own. This barrel is not recommended for 3 1/2" length SR22's.

This SR22 barrel is designed to look like a stock barrel. The threaded end is hidden when the slide is forward. It includes a (3/8”-24 TPI thread protector) but does not include an extended length adapter to attach your suppressor to the barrel.

Since we have more than one style adapter, we are giving you the option of what style adapter you would prefer to purchase with your new threaded barrel. 

Please note:

You will need to purchase one of our adapters to attach a suppressor to this barrel.

For standard 1/2-28 TPI thread suppressors use Adapter Part # (SR22ELTBA)

For a Silencerco Sparrow suppressor use Adapter Part # (SR22ELTB-SA)


(Ruger factory adapters will not work or interchange).

Due to Title 22 U.S.C. 2778 of the Arms Export Control Act (AECA) we cannot export beyond the U.S. Border and Territories.

Be aware of your local laws before purchase.

 By purchasing our products you agree to the Terms of this website.


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 Product Videos

Ruger SR22 Threaded barrel and suppressor installation.
  • Ruger SR22 Threaded barrel and suppressor installation.
    A short video on how to install a Twin Tech Tactical drop in t...

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 Product Reviews

  1. Quality of original?

    Posted by steve on Jul 19th 2016

    Barrel fits like factory unit and looks good, However I just found a post on line about the factory barrels being made from 410 stainless, this is a more durable steel than the 416 twin tech barrels are made from, apparently the 416 is easier to machine. I am a little disappointed to find this out.

    Response: you must have information that we do not have concerning material used by Ruger, because every SR22 (OEM Pistol) Barrel we’ve run across is made from 416SS They could have changed the material requirement, but I think that highly unlikely. 416 Cond T Stainless (with proper heat treating and stress relieving) is every bit as durable as a barrel made from 410SS.

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