HK21 / HK23 / HK11 Series

HKP Rear Sight Oval Washer HK German oval washer for the rear sight diopter style assemblies. This is the needed washer used in conjunction with the locking washer. Fits and works with all diopter-style rear sights.

RCM HK G3/91 36 Degree Locking Piece #17   One of the best ways to slow down & tame that HK21. Can also be used for HK91/G3 special projects such as suppressors, & heavier than normal loads. This is also the factory correct locking piece for...

H&K HK21/MG3 Ammo Belt Starter Tab - 7.62x51/.308 Starter tabs for HK21 and MG3 belt-fed rifles.  Compatible With: HK 23/21/11

HKP Armorer's Tool Kit   Includes: HK Parts Armorers Puck Punch Bench Block Tool 8 Piece German Rennsteig punch set 20 Piece German Feeler gauge set

HK G3, HK91, PTR & HK93, 33 & 53, FMP21 Rear Sight Base Weldment New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each unit is precisely machined and the best rear base available...

HKP Picatinny Rail For HK Receivers - 17 Slot Mil-Spec all steel Picatinny rail in the white. Relief cut for HK receivers and made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible With: HK...

HK Recoil Rod Guide Ring For Recoil Rod Assemblies This item is a high-wear item & is great to have as a spare part. Compatible With: HK MP5 HK 94 HK MP5K HK 91 HK G3 HK 93 HK 33 HK 53 HK 21 (not E guns) Other HK 90 Series Rifles & Pistols.

HKP HK 21 (7.62x51/.308) Factory Style T-Rail Set HKP HK21 US made rails for all HK21 and FMP21 builds. Our steel T-rails incorporate an updated radius to address a weak link in previous iterations.  Compatible With:  HK21 FMP21

Original German Army Issue HK91/G3/PTR Cleaning Kit - Surplus Each cleaning kit kit comes complete with brass brush, oil brush, oil tube, hand cleaning brush, and pull chain. Compatible With: G3, 91, PTR, C308, CETME 93, 33, 53 MP5, MP5SD, 94 MP5K,...

Flat Bending Jig Set For All HK Style Flats - Billeted - Aluminum Aluminum billeted universal flat bending jig for all HK receiver flats including PTR .308 flats and the PTR/LSC flats. Each bending jig comes complete with all the pieces you need for...

HK Claw Mount To Picatinny Style Rail This part allows all STANAG style scopes to accept the universal Picatinny style rail. Each rail adapter comes with rail and mounting hardware. This part adds 6 1/8 inches of rail space to the top of your claw mount...

HKP Picatinny Rail For HK Receivers - 15 Slot Mil-Spec all steel CNC'ed picatinny rail in the white, relief cut to fit flush and low profile on HK receivers. The most solid and consistent mounting platform made for mounting scopes and optics to HK builds...