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Old September 22, 2012, 08:41 PM   #1
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LWD 10mm G20 6.6'' Treaded Barrel Review

To truly realize the potential of hot 10mm rounds you really need a barrel 5.5'' or longer in my opinion. With that in mind, I picked up the LWD 6.6'' 10mm threaded barrel for my Gen4 G20.

When the barrel first arrived I threw it in the gun and noticed a problem; it was way too tight round the lugs and hood. The gun wouldn't cycle properly due to the amount of friction from the tight lockup. I called LWD and they told me to send it in with my slide, which I did. Fast forward two weeks and I had it back in my hands and was running rounds through it.

-100% reliable with all ammo tried thus far
-Standard 9/16x24 threading allowing for use with most popular suppressors
-Heat treated 416 stainless steel
-Theoretically a drop in part (I have several other LWD barrels, they worked out of the box)
-Standard rifling allows the worry free use of lead reloads (more on this in the video)
-Lifetime warranty
-Extra velocity compared to the stock barrel
-Fully supported chamber (no evidence to any type of deformation/damage to the fired cases)
-Polished feed ramp

-Mine didn't fit properly out of the box
-I'm not a fan of the logo; I'd much prefer something less obvious like KKM and Stormlake do

Here's a video of some shooting, a demonstration of the chamber support vis-à-vis the Gen4 factory barrel, and a chronograph test using Underwood 165gr Gold Dot rounds:


Chrono Data:

Factory barrel:
Underwood 165gr Gold Dots: 1418fps, 736 ft/lbs energy

LWD barrel:
Underwood 165gr Gold Dots: 1559fps, 889 ft/lbs energy

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Old September 22, 2012, 09:25 PM   #2
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What was the reason for you to want the longer barrel? I am interested in getting a Glock 20 but it seems like there is a different world surrounding the 10mm.
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Old September 23, 2012, 06:59 AM   #3
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I got it primarily for the additional velocity. I also plan on putting a suppressor on it (although not subsonic, it still helps a good bit).
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