HK91 / G3 / HK51 Series
Discover the ultimate collection of parts for your HK G3 and HK 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 HK G3 or HK 91, ensuring your rifle meets the highest standards of operation and craftsmanship.
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On Sale
HK91, G3 Receiver Flat - US Made
PTR
Now: $89.95Was: $99.95HK G3, 91, PTR & CETME Flat - PTR Made by PTR with original HK tooling using factory specifications and a properly stamped receiver. No FFL is required as this is an unfolded flat that ships directly to the customer. This US made receiver flat...Now: $89.95Was: $99.95 -
On Sale
HK91, G3, CETME Receiver Flat with Weldment Set
PTR
Now: $150.25Was: $166.95HK91, G3, PTR, CETME Flat & Weldment Combo - PTR Made by PTR91 on original HK tooling using factory specifications and a properly stamped receiver ready to roll and build. No FFL transfer is required as this is an un-folded flat. Compatible...Now: $150.25Was: $166.95 -
On Sale
RCM Rollers, + & - Sizes
RCM
Now: $8.05Was: $8.95RCM Rollers, + & - Sizes RCM US-made locking rollers are available in both plus and minus sizes, making them the ideal choice for adjusting bolt gaps. These rollers are the top-tier locking rollers on the market, delivering unbeatable performance and...Now: $8.05Was: $8.95 -
On Sale
HK 90 Series Pistol Grip Parts Storage Holder
HKP HK Parts
Now: $23.96Was: $29.95HK Pistol Grip Parts Storage Holder - SEF & Ambidextrous Housings A must-have item for storage, it doesn't have a battery compartment to maximize storage. This HK grip plug will fit all SEF or Ambidextrous housings that have the holding tabs in the...Now: $23.96Was: $29.95 -
Out Of StockOn Sale
HK Sling Pin - Small - Quick Detach Attachment
HKP HK Parts
Now: $30.36Was: $37.95HKP Quick Detach Sling Attachment Sling Pin - Small The small push pin is used to retain the forearm to the receiver on the 90 series of firearms. The QD sling pin is a great replacement item as it will allow the user to simply swap the push pin for the...Now: $30.36Was: $37.95 -
On Sale
MP5, MP5K, G3, HK93 Mag Release - Paddle Style Extended - EMR
HKP HK Parts
Now: $35.96Was: $44.95HKP Paddle Style Extended Mag Release - EMR A great addition to any paddle style mag release, such as those found on an HK. The extended mag release is machined from a solid billet of aircraft grade aluminum and hard anodized aluminum for a lightweight...Now: $35.96Was: $44.95 -
On Sale
HK Oversized Barrel Retaining Pin - 5.25mm
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K Oversized Barrel Retaining Pin - 5.25mm 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 trunnion. Each pin is slightly...Now: $8.96Was: $9.95 -
On Sale
MFI Snap Sling Hook 1.25"
MFI
Now: $4.46Was: $4.95HK Style 1.25" Snap Hook For Sling This sling hook is designed for wider 1.25" width slings. Made in the USA, and is great for HK sling projects and spares. We offer the 1" and the 1.25" sling hooks for all your HK projects.Now: $4.46Was: $4.95 -
On Sale
M-LOK Vertical Foregrip - Long
HKP HK Parts
Now: $19.96Was: $24.95HKP Universal M-LOK Long Grip This grip is by far the nicest grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. This is the only vertical grip out there that offers a built in aluminum...Now: $19.96Was: $24.95 -
On Sale
HK91, G3 Pin - Axle - Cocking Handle
H&K Heckler & Koch
Now: $8.96Was: $9.95New HK German G3, 91, 21, & PTR Cocking Handle Axle Pin This is a new HK factory part for the .308 HK rifle. This part is the axle pin that holds the cocking handle in place on the cocking tube support. Will also work perfect for all HK93, HK53, HK33...Now: $8.96Was: $9.95 -
On Sale
HK90 Series Roller for Bolt Head 8.00mm - Standard
H&K Heckler & Koch
Now: $25.16Was: $27.95H&K Roller For Bolt Head 8.00mm - Standard The 8mm roller is the proper roller size for the standard "zero" function. The correct 8mm roller is essential for proper head spacing and bolt gap. New HK German, not surplus or used goods, that are worn...Now: $25.16Was: $27.95 -
On Sale
HK91, G3 Wide Handguard
AC-Unity
Now: $58.46Was: $64.95AC-Unity HK G3 Wide Handguard G3 length, black, wide handguard with bipod groove. Perfect fit for your HKG3, HK91, or PTR91 that takes standard G3 length handguards. Includes an inner heat shield to protect your hand. The outer design provides a...Now: $58.46Was: $64.95