HK91 / G3 / HK51 Stocks / Braces / Slings

HKP V51 Backplate HK Parts brings you a long lost part that was no longer available till now. The Vector Arms V51 firearms was one of the most aclaimed PDW of its time but replacement parts have become difficult to source. We now take like new G3...

HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed - Dark OD Green - Surplus Used Dark Olive Drab Green German surplus stock complete with Enhance DMR buffer installed. This Stock is so dark it looks to be brown. The stock and the buttpad on this...

Choate Adjustable Folding Stock 1/2 inch Spacer This spacer adds 1/2 inch to our HK Choate folding stocks that uses the adjustable length of pull spacer system. You can add up to 5 of these spacers to your stock.  

H&K G3 Standard Stock Buttpad - Green - Used This German-made buttpad is an excellent replacement for your worn-out or broken buttpadd on the G3 stock. Used but fully functional.  Compatible With: HK G3

HK G3 A2 Adjustable Stock Extension Each stock extension is adjustable in 1/2" increments to enable you to achieve the proper length of trigger pull. This allows you a full 1.50" in length adjustments. These extensions are manufactured using high-impact,...

H&K Central Buttstock Section - HK Green This stock section is no longer being manufactured as the G3 and HK91 are out of production.  PLEASE NOTE: These units have handling marks and the price has been set accordingly.

HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed- Jungle Green - Surplus Used jungle green German surplus stock complete with Enhanced Heavy Buffer Installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each...

H&K/HKP Century AP51 Fixed Stock - Cerakoted - Enhanced Buffer Each stock starts life as an excellent condition surplus stock.  The stocks are then refinished and the recoil rod modified to work specifically with the AP51. Available exclusively...

Magpul HK 91/G3 (7.62x51/.308) PRS Extended Butt Pad   Replaces standard butt pad and adds 1/2" to the overall length of the PRS stock. This part also adds slightly more cushion as there is more rubber material.   Compatible With: HK91 &...

H&K HK91/G3 PTR Parkerized Backplate & Recoil Rod Assembly Our German HK backplate has been expertly refinished and re-parkerized for exceptional durability. This backplate features an innovative guide screw that allows you to effortlessly...

H&K A3 Parkerized Stock Protective Cover The perfect replacement part for all HK G3, HK33, and MP5 collapsible stocks issued with steel covers. Complete with locking spring clips welded in place. 

HK G3 Incomplete Backplate -  Factory German G3 refinished backplate. A great replacement or spare to have around to replace your broken or worn out backplates.  Please note you will need two rivets, nylon ring, recoil spring in order to...