HK45 Barrels
HKParts has all types of HK45 barrels, from micro comps to paddle holsters and everything in between. We carry the perfect replacement barrels for your HK45. Reach out with any questions you may have. Shop HKParts today!
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On Sale
HK Pistol O-Ring - .45 ACP Barrel - Green
H&K Heckler & Koch
Now: $4.46Was: $4.95O-Ring for .45 caliber barrels HK introduced O-rings with the HK Mark 23 and HK USP 45 Tactical pistols. Features: Original green color no longer in production Same high-temperature rubber as the newer black O-rings Factory part that provides the seal...Now: $4.46Was: $4.95 -
On Sale
HK45, USP, Mark 23 Barrel O-Ring - .45 ACP - Red
HKP HK Parts
Now: $3.96Was: $4.95HKP HK .45 Barrel O-Ring All Caliber Pistols - Red A rare find as we have found a small lot of HK red-colored HK .45 O-rings. All HK O-rings are still made of the same material as the newer black O- rings only in the HK red color. A great spare and...Now: $3.96Was: $4.95 -
On Sale
HK .45 ACP O-Ring - Barrel
H&K Heckler & Koch
Now: $4.46Was: $4.95Heckler and Koch .45 ACP Caliber Barrel O-Ring in Black A great spare and a much-needed part for your HK barrel. This factory part is a high-wear item, as the O-ring provides the seal between the slide and the barrel, which provides a secure lockup with...Now: $4.46Was: $4.95 -
Out Of StockOn Sale
HK45 Thread Protector - 16x1 LH
H&K Heckler & Koch
Now: $22.45Was: $24.95H&K .45 ACP Thread Protector - Threaded 16x1 LH The cap fits all HK45 full size & compact barrels threaded 16x1 LH hand thread. A must have item to protect your threaded barrels, exposed threads, and your HK pistol investment. The use of the...Now: $22.45Was: $24.95 -
On Sale
HK45 Thread Protector - 16x1 LH - US
HKP HK Parts
Now: $11.96Was: $14.95HKP .45 ACP Thread Protector - Threaded 16x1 LH This .45 caliber thread protector fits all full-size and compact barrels with 16x1 LH threads. Made in the USA from stainless steel with a nitride finish, it's essential for protecting your threaded barrels...Now: $11.96Was: $14.95 -
On Sale
HK45 Thread Protector - 16x1 LH - Titanium
Now: $22.45Was: $24.95HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH Crafted from solid titanium, this tactical thread protector fits all HK45 full-size and compact barrels threaded 16x1 LH. Essential for safeguarding your threaded barrels and exposed threads, it...Now: $22.45Was: $24.95 -
On Sale
HK45 Thread Protector - .578x28 RH
HKP HK Parts
Now: $15.96Was: $19.95HKP HK45 .45 ACP Thread Protector - Threaded .578x28 RH The new US-made .45 ACP tactical thread protector, the cap fits all HK45 full size & compact barrels threaded .578x28 RH thread. A must have item to protect your threaded barrels & exposed...Now: $15.96Was: $19.95 -
Out Of StockOn Sale
HK45 Thread Protector - .578x28 RH - Knurled
HKP HK Parts
Now: $11.96Was: $14.95HKP .45 ACP Thread Protector - Threaded .578x28 RH The new US-made .45 ACP tactical thread protector, the cap fits all HK45 full size & compact barrels threaded .578x28 RH thread. A must-have item to protect your threaded barrels, exposed threads...Now: $11.96Was: $14.95 -
On Sale
HK45T, USPC Tactical Thread Protector - 16x1mm LH
H&K Heckler & Koch
Now: $27.86Was: $30.95H&K HK45T/USP45T Thread Protector The HK thread protector is a must have accessory when a sound suppressor or muzzle attachment is not in use on your tactical pistol. The thread protector will prevent damages to the threads and crown. Compatible...Now: $27.86Was: $30.95 -
On Sale
HK45 Thread Protector - Threaded .578x28 RH
USA
Now: $22.45Was: $24.95HK45 .45 ACP Thread Protector - Threaded .578x28 RH Made in the USA, HK45 .45 ACP thread protector, for full size & compact barrels with a 578x28 RH. Made from stainless steel with a nitride finished. Specifications: Made in the USA Stainless...Now: $22.45Was: $24.95 -
On Sale
HK45, UMP, USC, USP 45 Thread Protector - 16x1 LH - Titanium
HKP HK Parts
Now: $15.96Was: $19.95HKP .45 ACP Titanium Thread Protector - Threaded 16x1 LH This new style .45 ACP tactical thread protector fits all HK45 full-size and compact barrels with 16x1 LH threads. Essential for protecting your threaded barrels and exposed threads, it preserves...Now: $15.96Was: $19.95 -
On Sale
HK UMP Thread Protector - 16x1 LH - Titanium
H&K Heckler & Koch
Now: $11.95Was: $23.95HKP .45 ACP Titanium Thread Protector - Threaded 16x1 LH US-made thread protector for firearms chambered in .45 ACP, threaded 16x1 left hand. Compatible With: HK UMP/USC HK45/HK45T HK45C/HK45CT HK USP 45/USPT 45 HK USPC 45/USPCT 45 B&T APC45 B&T...Now: $11.95Was: $23.95