EFK Barrels & Choke Tubes
Product ID: 52381
MFG ID: 52381
EFK Barrel, 52381, HK USP Full Size, 357 Sig
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EFK FIRE DRAGON®
This EFK FIRE DRAGON® Barrel is made out of 416 stainless steel which gives you the strength and durability you need. The hardness of the EFK FIRE DRAGON® Barrel is 43-45 RC and being heat treated in a vacuum furnace, this EFK FIRE DRAGON® Barrel is made to last. This EFK FIRE DRAGON® Barrel allows you the accuracy you desire when long distance shooting or at the target range.
Specification:
- EFK FIRE DRAGON® Barrel
- Manufacturing Number: 52381
- Fit: HK® USP Full Size
- Caliber: 357 Sig®
- Material: 416 Stainless Steel
- Accuracy: +/- 50 Millionths Of An Inch
- Hardness: 43-45 RC
Reviewed By 2 Customers
Showing 2 of 2 Customer Review(s)
EFK Barrel, 52381, HK USP Full Size, 357 Sig
By JL
Review Date: 09/24/2009
Rating: 
Purchased From This Site: Yes
2009 model, H&K USP Full Size .40 S&W
The conversion works perfectly, just drop in the .357 Sig barrel and you''re good to go! The .357 Sig uses the same magazine as your .40 S&W, so no need to buy anything but the barrel.
This barrel is really nice. It is about a six-tenth of an inch longer than the factory barrel. It also didn''t fit initially, but with some slight water sanding (1200 grit) to the very end of the barrel in tiny amounts to decrease the diameter by maybe one thousandth or so, it fits perfect and easily out performs the factory barrel in accuracy.
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EFK HK USP 357 Sig Full-Size Barrel
By ml
Review Date: 09/23/2008
Rating:
Purchased From This Site: Yes
Not only is this the only .357 sig barrel I could find for a full size USP, it is also priced very reasonably. The package states that the barrel may require some minor fitting (which would be a good idea to have done if you have the extra money to pay a gunsmith), but I dropped it in and fired 150 consecutive rounds. All rounds fed and fired flawlessly. I am very impressed with this barrel and would surely recommend one for all full-size USP owners.
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