HK G3/91 Series
Discover the ultimate collection of parts for your H&K G3 and H&K 91, designed to enhance precision, reliability, and performance. Featuring G3 Stocks for improved ergonomics, 91 Barrels for superior accuracy, and G3 Triggers for enhanced responsiveness. Our selection also includes 91 Handguards for advanced protection and control, G3 Forearms for optimal handling, and detailed Parts Kits to fully equip your firearm for any scenario. Each component is engineered for flawless compatibility with your H&K G3 or H&K 91, ensuring your rifle meets the highest standards of operation and craftsmanship.
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H&K 91/G3/MSG90 5 Round Magazine Spring
H&K Heckler & Koch
$22.95H&K 91/G3/MSG90 5 Round Magazine Spring This factory HK spring is designed for the 5-round HK91, G3, and MSG90 magazines. Built for durability and reliable feeding, it's an essential replacement part to keep your magazine in top condition. Compatible...HKP-21827$22.95 -
Out Of Stock
H&K 93/33/G3 (5.56/.223) & (7.62x51/.308) Vented Wide Forend Black
H&K Heckler & Koch
$0.00HK 93, 33 & G3K Wide Black Vented Forearm Overall 11.5 inches long. Made for 16" barreled rifles. Easy installation. HK 93 HK 33 HK G3K PTR-91K 16" barrels 16" Barreled ClonesHKP-00471$0.00 -
H&K A3 Stock Release Lever Rebuild Kit
H&K Heckler & Koch
$14.95H&K A3 Stock Release Lever Rebuild Kit This A3 collapsible stock rebuild kit is designed for the release lever on MP5, SP5, 93/53/33, and G3/91 collapsible stocks. With A3 stocks becoming more expensive it's a great idea to keep this kit on...HKP-21851$14.95 -
Out Of Stock
H&K Ambidextrou Navy 3 Position Incomplete Trigger Housing
H&K Heckler & Koch
$0.00H&K 3 Position (0,1,3,F Pictoogram) Ambidextrous Navy Style Incomplete Trigger Housing This factory correct HK German trigger pack is a rare find and an excellent spare for your HK ambidextrous Navy trigger group. Featuring the 3 position pictogram...HKP-13482$0.00 -
Out Of Stock
H&K B&T Style Sling Swivel With Attachment Screw
H&K Heckler & Koch
$0.00H&K B&T Style Sling Swivel with Attachment Screw Same part found on the HK German MP5K, SP5K end caps and the B&T folding brace and folding stocks. The sling swivel is made by HK in Germany the mounting hardware is made in the USA. This is...HKP-18150$0.00 -
On Sale
H&K Cocking Tube End Cap/Dust Cap - BLEMISHED
H&K Heckler & Koch
Now: $24.95Was: $39.95H&K Cocking Tube End Cap/Dust Cap - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This part is Factory HK, painted black and not surplus or old...HKP-00099-BNow: $24.95Was: $39.95 -
Out Of Stock
H&K Elbow Spring Spacer For Semi-Auto
H&K Heckler & Koch
$0.00New HK German manufacture. Semi auto spacer for elbow spring on the HK 90 series trigger packs.HKP-01553$0.00 -
On Sale
H&K G3 Bolt Carrier - Gunsmith Special
H&K Heckler & Koch
Now: $39.95Was: $89.95H&K G3 Bolt Carrier - Gunsmith Special This gunsmith special bolt carrier will require re-work prior to being functional. Compatible With: HK G3 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.HKP-99034Now: $39.95Was: $89.95 -
On Sale
H&K G3 Wide Handguard w/ HKP Bipod - OD Green - USED
H&K Heckler & Koch
Now: $589.95Was: $899.95H&K G3 Wide Handguard w/ HKP Bipod - OD Green - USED This German-made wide handguard comes equipped with an HK Parts bipod, meticulously crafted to replicate the original HK design as closely as possible. The bipod functions just like the original,...HKP-99055Now: $589.95Was: $899.95 -
Out Of Stock
H&K G3/91/PTR (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Double Tang Trigger Housing- Clipped & Pinned
H&K Heckler & Koch
$0.00H&K G3/91/PTR (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Double Tang Trigger Housing- Clipped & Pinned This ambidextrous HK trigger housing features a 4 position pictogram (0,1,3,F) and is set up in a semi-auto clipped & pinned...HKP-01515$0.00 -
Out Of Stock
H&K German Bayonet Adapter With Hardware
H&K Heckler & Koch
$0.00H&K German Bayonet Adapter With Hardware HK German Bayonet Adapter W/ Screw & Hardware. The HK bayonet adapter replaces the cocking tube end cap (dust cap). Then the bayonet slides into the spring loaded mechanism in the bayonet adapter. NEW NOT...HKP-00021$0.00 -
H&K Hensoldt 90 Series Aiming Projector - Black
H&K Heckler & Koch
$7,999.95H&K Hensoldt 90 Series Aiming Projector - Black Ultra rare Heckler & Koch Hensoldt Aiming Point Projector. In the original wooden case with all accessories, including IR lens, lens cleaning brush, spare bulbs, tweezers, cleaning cloth, etc. NIB...HKP-19119$7,999.95 -
H&K HK G3 Front Sight Ring
H&K Heckler & Koch
$7.95H&K HK G3 Front Sight Ring Factory HK replacement front sight ring. Compatible With: HK G3HKP-21641$7.95 -
Out Of Stock
H&K HK G3, 91 F/A Complete Bolt Group
H&K Heckler & Koch
$0.00German G3, 91 F/A Bolt Group CompleteEach Bolt group includes the following factory HK parts: Complete Bolt Head Assembled (extractor, extractor spring, roller retainer plate and rollers) >Firing pin >Firing pin spring >HK91/G3 locking piece...HKP-19671$0.00 -
H&K HK G3/HK 91 Muzzle Protector Cap
H&K Heckler & Koch
$8.95H&K HK G3/HK 91 Muzzle Protector Cap Genuine HK muzzle cap designed to keep debris, water, etc., from entering the barrel. The cap can be removed by hand or when the first round is fired with the cap installed. Standard issue muzzle cover on all HK...HKP-21892$8.95 -
Out Of Stock
H&K MP5, 53/33, G3 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Push Pin
H&K Heckler & Koch
$0.00H&K MP5, 53/33, G3 (9mm, 5.56/.223, 7.62/.308) SEF Trigger Housing - Push Pin This SEF grip housing features classic finger grooves and is crafted for factory push pin receivers. It's perfect for replacing worn out or faded SEF grip frames. The...HKP-16406$0.00 -
H&K MP5, 93/53/33, G3/91 (9mm, 40/10, 5.56/.223, 7.62/.308) 3 Position Navy Style Universal Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$449.95H&K MP5, 93/53/33, G3/91 (9mm, 40/10, 5.56/.223, 7.62/.308) 3 Position Navy Style Universal Trigger Housing - Clipped & Pinned Introducing the new 3 Position trigger housing, designed for versatility and performance across multiple applications...HKP-19712$449.95 -
Out Of Stock
H&K MP5/SP5, 93/33, G3/91 (9mm, 5.56/.223, 7.62/.308) Unmarked Ambidextrous Housing - Universal
H&K Heckler & Koch
$0.00H&K MP5/SP5, 93/33, G3/91 (9mm, 5.56/.223, 7.62/.308) Unmarked Ambidextrous Housing - Universal This unmarked universal ambidextrous lower housing is designed for use with ambidextrous trigger packs, offering versatility across multiple H&K...HKP-19854$0.00 -
Out Of Stock
H&K Navy Left Side Selector Lever-3 Position
H&K Heckler & Koch
$139.95HK Ambidextrous Left Side 3 Position Navy Selector Lever New German HK Lever For All 3 Position Navy Ambidextrous Trigger Packs Or Trigger Groups. Will Not Fit SEF Style Trigger Packs. Brand new factory German HK. Safe, Semi, Full. (0,1,F) 3 Position...HKP-00122$139.95 -
Out Of Stock
H&K PSG1/MSG90/G3/91 (7.62x51/.308) Stock
H&K Heckler & Koch
$0.00New HK German MSG-90 Rear Stock Complete These MSG90 stocks have the PSG1 single stage buffer installed & are fully adjustable. A genuine Heckler & Koch OEM product. The cheek piece and butt pad are adjustable on the fly. This stock is 2...HKP-00540$0.00 -
Out Of Stock
H&K Roller Sear For Burst Trigger Packs
H&K Heckler & Koch
$0.00New HK German Roller Sear for SEF & Navy trigger packs. This is the newer style "roller" type not the older friction type of sear. This item is also referred to as the catch with roller but more commonly called a sear.HKP-01711$0.00 -
On Sale
H&K SEF Ambi F/A Trigger Box - USED
H&K Heckler & Koch
Now: $299.95Was: $449.95H&K SEF Ambi F/A Trigger Box - USED Fully automatic trigger box compatible with SEF and ambidextrous configurations. Compatible With: SEF Housings THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.HKP-99128Now: $299.95Was: $449.95 -
Out Of Stock
H&K SEF Selector Lock Out Safety Key
H&K Heckler & Koch
$0.00H&K SEF Selector Lock Out Safety Key You must have a special lever to use this tool. Compatible with all SEF lockout selectors.HKP-01482$0.00 -
Out Of Stock
HK 91/G3 (7.62x51/.308) Heavy Recoil Buffer
$199.95HK Heavy Recoil Buffer For HK Style Firearms Made 100% in the USA by one of the best HK gunsmiths. Each unit is based on the original HK German 2-stage factory heavy buffer. Compatible With: HK 91, G3, PTR SAR-3/8, FMP, Vector, SR9, PTR PDW, V51,...HKP-01067$199.95 -
On Sale
HK G3 Buttpad - USED
USA
Now: $9.95Was: $14.95HK G3 Buttpad - USED HK G3 buttpad, condition will vary from part-to-part vs. the pictured unit. Compatible With: HK G3 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.HKP-99071Now: $9.95Was: $14.95 -
Out Of StockOn Sale
HK G3 SEF Project Trigger Housing Bundle - USED - Gunsmith Special
USA
Now: $39.95Was: $238.95HK G3 SEF Project Trigger Housing Bundle - USED - Gunsmith Special This bundle includes five G3 trigger housings. Please Note: This trigger housing is sold as a gunsmith special and is not functional in its current state. Slight modifications have been...HKP-99092Now: $39.95Was: $238.95 -
Out Of Stock
HK German Carry Handle - HK91, G3, HK93, & HK33 - New Old Stock
H&K Heckler & Koch
$0.00HK German Carry Handle for HK91, G3, HK93, & HK33 Weapon Systems - New Old Stock HK German new old stock condition. The carry handle installs by sliding the carry handle over the cocking tube to make contact with the trunnion. This can be installed...HKP-19551$0.00 -
On Sale
HK MP5 4" Cocking Tube Extrusion - Gunsmith Special
USA
Now: $14.95Was: $39.95HK MP5 4" Cocking Tube Extrusion - Gunsmith Special This 4" cocking tube extrusion is ideal for custom HK-style firearm builds, repairs, or refurbishments, providing a solid foundation for restoring or fabricating cocking tubes on HK MP5, G3, and similar...HKP-99060Now: $14.95Was: $39.95 -
On Sale
HK MP5 8" Cocking Tube Extrusion - Gunsmith Special
USA
Now: $19.95Was: $54.95HK MP5 8" Cocking Tube Extrusion - Gunsmith Special This 8" cocking tube extrusion is ideal for custom HK-style firearm builds, repairs, or refurbishments, providing a solid foundation for restoring or fabricating cocking tubes on HK MP5, G3, and...HKP-99061Now: $19.95Was: $54.95 -
On Sale
HK Recoil Rod Guide Ring For Recoil Rod Assemblies - USED - BLEMISHED
H&K Heckler & Koch
Now: $2.95Was: $7.99HK Recoil Rod Guide Ring For Recoil Rod Assemblies - USED - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This item is a high-wear item & is great...HKP-00143-BNow: $2.95Was: $7.99 -
On Sale
HKP Cocking Tube End Cap - Aluminum - BLEMISHED
HKP HK Parts
Now: $6.95Was: $12.95HKP Cocking Tube End Cap - Aluminum - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Made from weight-saving aircraft-grade aluminum alloy. US-made...HKP-02806-BNow: $6.95Was: $12.95 -
Out Of Stock
HKP Front Sight HK Tower, Triple Frame Install & Removal Fixture Jig
HKP HK Parts
$69.95HKP Front Sight HK Tower, Triple Frame Installation & Removal Fixture Jig The original one and only triple frame removal and install fixture. The perfect jig for the installation and removal of triple frames and front sight towers found in all HK 90...HKP-17586$69.95 -
HKP HK 91/G3 (7.62x51/.308) Ambidextrous Trigger Pack (0,1)
HKP HK Parts
$362.95HKP/H&K G3/91 (7.62x51/.308) 2 Position 0,1 Ambidextrous Trigger Pack Finally a lower cost alternative to the spendy and hard to find all German HK FBI or 0,1 ambi trigger packs. Now for the first time, we have the ever popular trigger pack available...HKP-17232$362.95 -
Out Of Stock
HKP HK 91/G3 (7.62x51/.308) Firing Pin - Titanium
HKP HK Parts
$29.95HK G3, 91 & PTR Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made 100% in the USA A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK G3, 91 & PTR weapon system. Get the...HKP-17937$29.95 -
Out Of Stock
HKP HK G3K/33K (5.56/.223) & (7.62x51/.308) Extended 4 Prong Flash Hider - Threaded 15x1 RH
HKP HK Parts
$79.95HKP HK G3K/33K (5.56/.223) & (7.62x51/.308) Extended 4 Prong Flash Hider - Threaded 15x1 RH This fits any threaded 15x1 RH HK barrel. The overall length is 4.37 inches. These are the perfect length of the G3K and HK33K style builds as they will yield...HKP-00501$79.95 -
HKP Incomplete Ambidextrous Selector Axle - Gunsmith Special
HKP HK Parts
$14.95HKP Incomplete Ambidextrous Selector Axle - Gunsmith Special U.S.-made selector lever. Incomplete part for ambidextrous setups. Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith...HKP-99135$14.95 -
Out Of Stock
HKP PTR-32 (7.62x39) Complete Bolt Group
HKP HK Parts
$359.95US Made PTR 32 Bolt Group Complete Semi-Auto. Factory correct bolt head and locking piece for use in the PTR 32 chambered in 7.62X39. Brand new May 2015 manufacture. This is the correct bolt for all PTR 32 rifles with 12"and 16" barrels.HKP-17388$359.95 -
Out Of Stock
HKP/H&K 91/G3 (7.62x51/.308) Trigger Group - 3 Position - Navy Housing
HKP HK Parts
$579.95G3, 91, PTR Trigger Group 3 Position Navy Housing Introducing a cost-effective alternative to the high-priced and rare all-German HK FBI or 0,1 ambidextrous trigger groups. This semi-auto trigger group is available in a 3-position Navy factory German HK...HKP-17242$579.95 -
On Sale
PTR 90 Series Hammer For Trigger Pack - BLEMISHED
PTR
Now: $96.95Was: $144.95PTR 90 Series Hammer For Trigger Pack - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This US-made hammer is all steel billet, machined, and...HKP-00377-BNow: $96.95Was: $144.95 -
PTR HK 91/G3 (7.62x51/.308) Barrel - 16 inch - Threaded 5/8x24
PTR
$279.95PTR 16" HK G3 & HK 91 Threaded 5/8 X 24 - 7.62x51 & .308 PTR manufactured US made barrel for the HK91, G3 & PTR style of firearms. This 16.25" barrel will allow you to add a threaded flash hider that is threaded 5/8 X 24 US threads. This...HKP-17827$279.95