Barrels
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- Quantity
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H&K HK .45 ACP Pistols Barrel O-Ring - Green
H&K Heckler & Koch
$4.95A rare find as we have found a small lot of the original HK German green colored HK .45 O-rings. Get them while you can as they are no longer available in green. The green o-rings were first used when HK introduced the use of o-rings on the Mark 23...HKP-01984$4.95 -
H&K Barrel Retaining Pin - 5mm Standard Size
H&K Heckler & Koch
$9.95H&K Barrel Retaining Pin - 5mm Standard Size Each barrel pin is used for installing a new or replacement barrel. HK suggest using a new factory barrel pin when installing or reinstalling a HK barrel. We also offer the HK oversized barrel pins for...HKP-00071$9.95 -
HK, Walther, Colt, .22LR 1/2 X 28 Barrel Adapter
USA
$29.95HK, Walther, Umarex 416, Colt M4 or MP5-A5 .22 Barrel Adapter With Thread Protector - M8 X.75 to 1/2 X 28 The finest thread adapter available that converts the factory thread pitch to 1/2 X28. Each adapter comes with a new O-ring (red) & built-in...HKP-01845$29.95 -
H&K HK Barrel O-Ring .45 ACP Caliber Pistols - Black
H&K Heckler & Koch
$4.95H&K HK Barrel O-Ring .45 ACP Caliber Pistols - 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...HKP-00296$4.95 -
HKP HK .45 Barrel O-Ring All Caliber Pistols - Red
HKP HK Parts
$4.95A 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 a much-needed part for your HK barrel. This part is a...HKP-19316$4.95 -
HK 9mm Barrel O-Ring For Thread Protector - Green
H&K Heckler & Koch
$4.95HK German 9mm barrel O-ring - GreenFor thread protector or barrel slot on the Elite barrel. The o-ring is a high wear and replacement item. Stock up at the lowest price in the country. To save even more order 10 or more and get an additional $1 off per...HKP-19729$4.95 -
H&K Oversized Barrel Retaining Pin - 5.25mm
H&K Heckler & Koch
$9.95HK Factory German Oversized Barrel Retaining Pin. This is the barrel pin used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel in the trunion. Each pin is slightly...HKP-16954$9.95 -
H&K HK VP9/Tactical 13.5 X 1 9mm Threaded Barrel - Black
H&K Heckler & Koch
$299.95Precision made in Germany by HK from cold hammer forged (CHF) ordnance grade steel. This barrel offering is the finest threaded HK factory barrel available for the HKVP9 or VP9 Tactical pistol. The perfect barrel for use as a spare or for adding threaded...HKP-17995$299.95 -
HK, Walther, Colt, .22LR Barrel Adapter O-Ring
USA
$2.95HK, Walther, Umarex 416, Colt M4 or MP5-A5 .22 Barrel Adapter O-Ring.Made from the highest quality & very durable Viton material. The O-ring on the adapter can tear with use or become brittle over time. Be sure to grab a few extra rings with your...HKP-17379$2.95 -
H&K HK P30L 13.5 X 1 9mm Threaded Barrel - Black
H&K Heckler & Koch
$299.95Made in Germany at the HK factory from HK German Cold Hammer Forged barrel blanks, heat-treated and finished to HK specs. This is the only HK factory manufactured P30L threaded barrel. The finest threaded barrel available for the HK P30L 9mm pistol as...HKP-16746$299.95 -
H&K HK 9mm Barrel Thread Protector O-Ring - Black
H&K Heckler & Koch
$4.95HK German 9mm Barrel O-ring - Black The O-ring is a high-wear and replacement item. To save money - order 10 or more and get an additional $1 off per O-ring. Compatible with any of the following barrels that have an O-ring groove: HK USP 9mm HK USP...HKP-00908$4.95 -
Out Of Stock
H&K Barrel Retaining Pin - 5.15mm
H&K Heckler & Koch
$0.00HK Factory German Oversized Barrel Retaining Pin. This is the barrel pin used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel in the trunion. Each pin is slightly...HKP-01662$0.00 -
90 Series Barrel Pin Jig
HKP HK Parts
$119.95The original one and only HK barrel pin jig set. Copied by others but perfected and offered 1st here at HK Parts. The perfect jig for the installation and removal of barrel pins found in all HK 90 series rifles & pistols. This jig set is a perfect...HKP-08928$119.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Barrel Roll Pin
H&K Heckler & Koch
$8.95HK German USC, UMP Barrel Pin - German HK recommends replacing the barrel pin when the barrel is removed with a new barrel pin. This is a great spare part to have on hand. The factory-correct barrel pin for all HK UMP & USC models. A great upgrade...HKP-00603$8.95 -
H&K HK USP/USP Tactical Threaded Barrel - Black
H&K Heckler & Koch
$310.99HK USP .45 Tactical Threaded Barrel - 16 X 1 Left-Hand Threaded HK USP 45 German factory threaded barrel for use with flash hiders or sound suppressors. This is a drop in barrel for any of the HK USP .45 pistols. No gunsmith is required as this is an...HKP-00319$310.99 -
B&T MP5-SD CHF Barrel
B&T Brugger & Thomet
$449.95New from B&T Switzerland, cold hammer forged (CHF), properly factory specification fluted, ported & nitrided MP5SD barrels manufactured exclusively for MP5's. The firearms community has long known of the close working relationship between...HKP-17957$449.95 -
HK G36/SL8 (5.56/.223) Barrel Wrench
$129.95Barrel Wrench HK SL8 & G36 It will fit everything from the 9" G-36C to the 20" SL-8. The wrench features 3 points of contact to ensure maximum connection and maximum torque to the barrel nut. It also features a 3/8" drive socket to allow loosening...HKP-00283$129.95 -
H&K HK .40 O-ring for Barrel - Green
H&K Heckler & Koch
$4.95New HK German .40 Cal Barrel O-ring for all .40 caliber HK barrelsA rare find and we have found a small lot of the original green colored HK .40 O-rings. Get them while you can as they are no longer made in green and are only offered while supplies last...HKP-01985$4.95 -
RCM HK VP9SK 1/2 X 28 9mm Threaded Barrel - Black
RCM
$249.95Threaded Barrel - 9mm - 1/2 X 28 - HK VP9SKEach VPSK-T barrel machined from ordnance grade steel, heat treated then Nitrided inside and out. This is the finest threaded replacement barrel available for the HK VP9SK 9mm pistol. The perfect barrel for use...HKP-19258$249.95 -
HKP HK UMP (.45 ACP) Barrel - 3 Lug - Threaded 16x1 LH
HKP HK Parts
$399.95HK UMP, Omega .45 Cal 3 -Lug & Threaded Barrel - 16 x 1 Left HandNew USA made .45 cal 8" barrel for the UMP or Omega firearms. Each barrel is threaded 16 x 1 LH and 3 lug tipped. The finest barrel for the UMP .45 on the market.HKP-18678$399.95 -
H&K G3 Parts Kit - PTR Barrel & Flat
H&K Heckler & Koch
$799.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit, PTR Barrel, Flat HK German G3 .308/7.62 X 51mm Surplus Parts Kit, PTR Barrel, FlatFinally, after more than 4 years of searching the globe we have HK German Surplus G3 parts kits available to offer. Each...HKP-16579$799.95 -
HKP MP5 9mm Barrel Extension
HKP HK Parts
$49.95MP5 3-Lug Barrel Barrel Extension, Fake Suppressor US made MP5, HK94 solid aluminum fake suppressor, barrel extension. That slips over the 3-lug 9mm MP5 barrel and then pinned in place to meet the overall 16" barrel length required for rifle builds...HKP-18000$49.95 -
H&K HK P30/P30S 13.5 X 1 9mm Threaded Barrel - Black
H&K Heckler & Koch
$299.95New factory OEM German barrel mande at the HK factory from HK German Cold Hammer Forged barrel blanks, heat treated and finished to HK specs.This is the finest threaded barrel available for the HK P30 9mm pistol as it is the factory HK OEM polygonal...HKP-16851$299.95 -
HK G36/SL8 (5.56/.223) Barrel Mandrel
$99.95Barrel Mandrel For Removal & Installation of HK G36 & Sl8 barrelsSpecifications:Â - Material: Ordnance Grade Heat Treated Steel- Length: 15.75" Overall Length- Weight: 2 LbsBorn from necessity. The mother of invention comes the state of the art...HKP-02608$99.95 -
HDPS HK UMP (.45 ACP) Threaded Barrel - 16x1 LH
HDPS
$349.95HK UMP, USC 45 ACP 8" Threaded BarrelHDPS UMP barrels are perfect for the USC to UMP conversions and for a replacement UMP .45 barrel. They are considered by many to be the finest US-made barrel available. This barrel is the same length as a factory HK...HKP-02634$349.95 -
RCM HK USPC .40 S&W to .357 SIG Caliber Conversion Barrel - Black
RCM
$239.95Each barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest replacement barrel available for the HK USPC .40 pistol. The perfect barrel to use...HKP-17747$239.95 -
Barrel Nut - HK 416, MR556 - Stainless Steel
$39.95HK MR556, HK 416 Barrel Nut or Socket For Barrel - Stainless Steel A must have repair and replacement part for removal or when you have any work done to your barrel as the barrel nut may become damaged in the removal and installation processes. Made in...HKP-17334$39.95 -
RCM HK USP .45 ACP .578 X 28 Threaded Barrel - Black
RCM
$289.95HK USP .45 & HK USP .45 Tactical threaded barrel for use with a wide variety of flash hiders & sound suppressors. This is a special offering as a factory USP .45 Tactical barrel is threaded metric 16 X 1 left hand (not as common) as the US...HKP-17447$289.95 -
SilencerCo HK VP9 9mm 1/2 X 28 Threaded Barrel
SilencerCo
$189.95SilencerCo, Threaded Barrel, 9MM, For H&K VP9, Black 1/2 x 28, Includes Thread Protector High-quality components and precise manufacturing make SilencerCo parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent...HKP-19434$189.95 -
H&K HK 45C/45C Tactical Threaded Barrel - Black
H&K Heckler & Koch
$339.95HK45C, HK45CT Tactical Threaded Barrel New HK German HK45C threaded tactical barrel. A drop in barrel for the HK45C Heckler & Koch Genuine Part Threaded For Use With Suppressors Threaded 16 x 1 Left Hand Twist Cold hammer-forged 4.5" barrel Please...HKP-01036$339.95 -
Out Of Stock
HK VP9SK 1/2 X 28 9mm Fluted Threaded Barrel - Black
USA
$229.95Each barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable "nitride" finish. Each enhanced barrel is machined with an aesthetically pleasing "fluted" design with a fitted...HKP-18419$229.95 -
B&T MP5K, SP5K, SP89 - 3 Lugged & Threaded Barrel - 1/2 X 28
B&T Brugger & Thomet
$399.95B&T Manufactured MP5K, SP89 & SP5K - PDW Barrel 3 Lug - 1/2 X 28 New from B&T Switzerland, cold hammer-forged (CHF), properly fluted & nitrided MP5K/SP5K barrels manufactured exclusively for the HK SP5K. The firearms community has long...HKP-17894$399.95 -
HK Parts HK MP5 1/2 X 28 Knurled Micro Comp
HKP HK Parts
$26.95HK Parts MP5 Micro Comp - Knurled - 1/2 X 28 Our new MP5 micro comp has the apearance of a standard factory style thread protector but now extended and slotted to provide a micro comp feature. With the added slotts it will help mitigate gasses and...HKP-21176$26.95 -
H&K HK USP .40 Tactical Full Size 14.5 X 1 LH Threaded Barrel
H&K Heckler & Koch
$299.95New HK factory German USP .40 Tactical Threaded Barrel Tactical Threaded Barrel 14.5 x 1 left-hand thread .40 S&W Caliber Drop in replacement for your full-size USP .40 or .40 tactical pistol Genuine Heckler & Koch Part Please note: This barrel...HKP-00328$299.95 -
Out Of Stock
RCM HK P30SK, HK P2000SK 1/2 X 28 9mm Threaded Barrel - Black
RCM
$249.95Threaded Barrel - 1/2 X 28 - 9mm - HK P30SK, P2000SKEach HK P2000SK & P30SK tactical barrel is finely and painstakingly made from ordnance grade steel, heat-treated, and finished inside and out in the ultra-desirable ?nitride? finish. This is the...HKP-19306$249.95 -
HKP MP5 9mm Navy Barrel - 3 Lug & Threaded 1/2 X 28
HKP HK Parts
$179.95MP5 9mm Navy Barrel 3 Lug & Threaded - 1/2 X 28 High quality, US-made MP5-N barrel. Built to last and finished in resiliant Nitride. Precision milled to the latest specs with the factory correct and updated 16 flutes in the chamber. Three lug &...HKP-17926$179.95 -
HDPS HK UMP/USC (.45 ACP) Flanged Barrel - 8"
HDPS
$329.95HK UMP 45 ACP 8 Inch Barrel- Flanged HDPS UMP barrels are perfect for the USC to UMP conversions and for a replacement UMP .45 barrel. They are considered by many to be the finest US-made barrel available. Each barrel is an exact reproduction with all HK...HKP-02130$329.95 -
RCM HK MP5K/MP5K-N 1/2 X 28 3 Lug Barrel - Black
RCM
$199.95Barrel - 1/2 X 28 - 3 Lug - MP5K, MP5K-N Machined from a Cold Hammer Forged Blank to the latest spec MP5K-N (PDW) barrel with the HK factory correct and updated 16 flutes in the chamber. 3 lugged & threaded & manufactured to meet the...HKP-19330$199.95 -
RCM HK VP40 To .357 Sig Conversion Barrel - Black
RCM
$239.95Each barrel is finely & painstakingly made from ordnance grade steel, heat treated & finished inside & out in the ultra- desirable "nitride" finish. This is the finest barrel available for the HK VP40.This barrel offering is a .357 SIG...HKP-17373$239.95 -
RCM HK P30L 9mm Threaded Barrel - 1/2 X 28
RCM
$249.95HK P30L 9mm 1/2 X 28 Right Hand Threaded Barrel ? RCMEach barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra- desirable nitride finish. This is the finest threaded replacement barrel...HKP-20496$249.95