HK G36/SL8 Barrels
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Out Of Stock
HK G36/SL8 (5.56/.223) Barrel Mandrel
$99.95Barrel Mandrel For Removal & Installation of HK G36 & SL8 Barrels From the mother of invention comes the state-of-the-art H&K SL-8 and G-36 barrel wrench. It will fit everything from the 9" G-36c to the 20" SL-8. The barrel mandrel reinforces...HKP-02608$99.95 -
HK Piston 3-Ring Replacement Set
H&K Heckler & Koch
$19.95HKP Gas Piston Ring Replacement Combo Set- 3 Rings The gas rings are prone to periodic breakage and wear and tear and require them to be replaced periodically. These are some of the most common breakage parts we see that need to be replaced on these...HKP-00048$19.95 -
HKP HK Piston Ring Replacement Set - 3 Ring Combo
HKP HK Parts
$8.95HK MR556, HK416 & G36, SL8 Gas Piston Ring Replacement Combo Set - 3 Rings This is a high wear common repair & replacement item. The gas rings are prone to periodic breakage & wear, tear and require them to be replaced periodically...HKP-17933$8.95 -
HKP (9mm & 5.56/.223) Thread Protector For Barrels - Threaded 1/2x28
HKP HK Parts
$14.95HKP (9mm & 5.56/.223) Thread Protector For Barrels - Threaded 1/2x28 A must-have accessory to safeguard the threads on your threaded barrel, this thread protector is the finest available. It is the standard thread protector included with all HKPARTS...HKP-02646$14.95 -
GSG9 HK G36C Gas Piston Rod Spring Assembly - Black
GSG9
$82.95HK German G36C Gas Piston Rod & Spring Assembly Complete A must have item for HK G36C conversions from SL8's or for spares for your G36C MG. A high wear and replacement part and a must have for spare parts.HKP-18250$82.95 -
H&K HK G36/SL8/MP7 Gas Block Pin
H&K Heckler & Koch
$8.95H&K HK G36/SL8/MP7 Gas Block Pin The G36/SL8/MP7 gas block pin is the largest out of HK's line up (UMP/USC, 415/MR556, 417/MR762).HKP-16727$8.95 -
GSG9 HK G36C/G36K Gas Piston
GSG9
$74.95HK G36C & G36K Gas Piston Complete - USA New USA manufactured G36C & G36K gas piston complete with 3 X gas piston sealing rings installed. All stainless steel construction with the durable nitride finish. A great spare or replacement part. This...HKP-18253$74.95 -
G36E Bayonet Lug Assembly HK German
H&K Heckler & Koch
$89.95HK German Factory G36E Bayonet Lug Rare and hard to find. The inside diameter (ID) is 16mm in size. A great alternative for those that do SL8 conversions as well as M27 look clone barrel conversions. You will need the G36 bayonet lug roll pin as it...HKP-00354$89.95 -
H&K HK G36C/G36K Gas Piston
H&K Heckler & Koch
$89.95HK German G36C & G36K Gas Piston - Complete New HK German factory G36C and G36K gas piston complete with sealing rings installed. A great spare or replacement part. This is also a popular part for those upgrading to an SL8 to G36K or C barrel length...HKP-00352$89.95 -
H&K HK G36 15.4" CQB Barrel Assembly - Black
H&K Heckler & Koch
$1,095.95Factory German HK G36 CQB Barrel Assembly - New Brand new HK German cold hammer forged barrel assembly, date coded, uninstalled & unfired in the factory wax paper wrapping. This is a one time offering never to be available again. Each barrel assembly...HKP-17026$1,095.95 -
HKP HK G36C Barrel Front End Kit
HKP HK Parts
$889.95G36C Barrel Front End Barrel Kit - 223/556 New production HK G36C style barrel conversion kit and front end kit. Each kit will include the necessary parts to build a G38/SL8 variant into the G36KC barrel length variant as pictured. All you need is this...HKP-18228$889.95 -
HK G36, HK SL8, HK 416, HK MR556 Gas Piston - Black
USA
$79.95HK G36, HK SL8, HK 416, & HK MR556 Gas Piston - Black Complete assembly with 3X rings installed and nitrided black. Counts as one US-made compliant part for your SL8-G36 style conversion. This is one of the best parts to use on the conversion as it...HKP-14540$79.95 -
$79.95 -
H&K HK G36C Gas Piston Rod Spring Assembly - Black
H&K Heckler & Koch
$89.95HK German G36C Gas Piston Rod & Spring Assembly - Complete A must-have item for HK G36C conversions from G36 to SL8's or for spares for your G36C. New HK German factory OEM part. A high wear and replacement part and a must-have for spare parts.HKP-00353$89.95 -
H&K HK G36/G36K Gas Block
H&K Heckler & Koch
$99.95HK G36E, G36K - Gas Block - German HK The real deal. HK German G36E, G36K Factory Gas Block. New uninstalled. Compatible With: SL8 Other G36 variants and custom builds and projectsHKP-16351$99.95 -
H&K HK G36C Incomplete Gas Piston Rod - Black
H&K Heckler & Koch
$49.95H&K HK G36C Incomplete Gas Piston Rod - Black A must have item for HK G36C conversions from SL8's or for spares for your G36C. New HK German factory part.HKP-17009$49.95 -
HKP HK G36C Barrel - Black
HKP HK Parts
$499.95HKP HK G36C Barrel - Black Brand new HK G36C barrel made from 416 stainless steel and nitrided, uninstalled & unfired. The G36C barrel uses a factory German or USA spec G36K/G36C gas block. Counts as one USA made complaint part. Perfect for the...HKP-18195$499.95 -
GSG9 HK G36/SL8 (5.56/.223) Barrel Retaining Nut
GSG9
$53.00HK G36 & SL8 Barrel Retaining Nut - USA Made in the USA. Compatible With: SL8 (all models & variants) G36E G36K G36C All other G36 VariantsHKP-18252$53.00 -
H&K G36/SL8 (5.56/.223) Barrel Retaining Nut
H&K Heckler & Koch
$29.95HK G36 & SL8 Barrel Retaining Nut - German HK Compatible With: SL8 (all models and variants) G36E G36K G36C All other G36 VariantsHKP-16341$29.95 -
Out Of Stock
HKP G36K Barrel Front End Kit
HKP HK Parts
$889.95G36K Barrel Front End Barrel Kit - 223/556 New production HK G36K style barrel conversion and front end kit. Each kit will include the necessary parts to build a G36/SL8 variant into the G36K barrel length variant as pictured. All you need is this kit to...HKP-18225$889.95 -
H&K HK SL8 German Barrel
H&K Heckler & Koch
$999.95H&K HK SL8 German Barrel A rare find. Brand new unfired, uninstalled. German CFH HK proof marked HK SL8 barrel. For those that want a brand new replacement barrel or a new HK barrel for a custom project this is the barrel to have. Only a few...HKP-16355$999.95 -
Out Of Stock
HKP HK G36K Barrel
HKP HK Parts
$499.95HKP HK G36K Barrel Brand new HK G36K barrel made from 416 stainless steel and nitrided, uninstalled & unfired. The G36K barrel uses a factory German or USA spec G36K/G36C gas block. Counts as one USA made complaint part. Perfect for the SL8/G36 style...HKP-18194$499.95 -
$139.95 -
Out Of Stock
GSG9 G36K Gas Piston Rod/Spring Assembly
GSG9
$59.95HK G36K Gas Piston Rod/Spring Assembly - USA New spring assembly that is a must have for spare parts or to use on that HK Sl8-G36 conversion. This is the proper length gas piston to be used for a 12.5" G36K style length gas block and barrel assembly...HKP-18249$59.95 -
H&K HK G36K Incomplete Piston Rod - Black
H&K Heckler & Koch
$61.95H&K HK G36K Incomplete Piston Rod - BlackHKP-16345$61.95 -
Out Of Stock
HK G36E Barrel
USA
$499.95Barrel - USA - HK G36E Brand new HK G36E barrel. Specifications: Barrel length 19"HKP-19273$499.95