In Stock

A National Match replacement pistol barrel for the Heckler-Koch USP Expert line of pistols made from 4140 Gun Barrel Certified Steel for strength and longevity. Conventionally rifled for lead and jacketed bullets, with fully supported chambers in all calibers. Available in factory standard length, extended length and match weight length, threaded or ported. Please note that the longest HK barrel we make is the 6.02″ Match, consequently, we do not offer the Match in an extended length.

Barrel Options * 

Barrel Fit * 

Barrel Finish * 

SKU: pb-hk-usp45e-00 Categories: , Tags: , , , , ,



Barrels listed as “In Stock” are machined per order specifications from customer.  Barrels are made drop in or fitted, cut to length, and crowned custom per order.  For this reason, please allow 2-4 weeks for your order to be filled and shipped.  If a barrel is listed as “On Backorder”, it means we are currently manufacturing a run of these barrels and do not have any in inventory.  You may place an order, which will place you on our backorder list, and we will fill and ship your order as soon as we are finished manufacturing.


For instructions on sending your slide, please click here.
Slide only needed for barrel fitting.
Order number must be visible on outside of package when shipped.


We now offer custom PVD finish options.  USP 45 barrels are now available in black as well as silver and copper PVD coatings. PVD (Physical Vapor Deposition) coatings are an extremely hard coating that offer aesthetically pleasing colors and increased lubricity.  For colors, please see images at the top of the page.  PLEASE NOTE THAT PVD FINISHES ADD APPROXIMATELY 2-3 WEEKS TO LEAD TIME.


-Twist: 1/16
-Rifling: Conventional, button rifled
-Material: 4140 Gun Barrel Certified Steel
-Hardness: 40-44 HRC
-Crown: Recessed 11 degree target crown
-O-Ring Groove: Yes, O-Ring groove and O-Ring included

Additional information

Barrel Options

Standard Factory Length, Match Weight Length [Add $10.00], Match Weight Length & Ported [Add $120.00], Ported [Add $120.00]

Barrel Fit

Drop In, Fitted – Slide Must Be Sent In [Add $45.00]


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