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HK Parts Gen 1 Rail Mount Compensator for HK VP9 with Vented Ports *DO NOT USE COMPENSATOR WITH A THREAD PROTECTOR INSTALLED ON THE BARREL.  Doing so will result in damage to your firearm and compensator.* HKP Gen 1 rail mount compensator for the...

STANAG to Picatinny 6.1 Inch Top Rail Scope Mount Base - Aluminum Aluminum STANAG to Picatinny top rail scope mount base with a 6.1 inch rail section. Designed to provide a stable mounting platform for optics and other Picatinny-compatible...

AIM Tri-Rail Handguard for M5 and MP5 Style AEG AIM tri-rail handguard for M5 and MP5 style AEG platforms. Designed to provide a stable mounting platform for lights, lasers, vertical grips, and other rail-mounted accessories while giving the handguard a...

MFI Ultra Low-Profile Red Dot Mount for Aimpoint, Primary Arms, Vortex, Burris - Old Style MFI micro ultra-low-profile red mount for HK-pattern firearms. Designed to provide one of the lowest profile optic mounting solutions available, this old-style...

Command Arms HK MP5 Picatinny Top Rail - 10 Slot Command Arms 10-slot Picatinny top rail for HK MP5 pattern firearms. Built from aluminum, this close-mount rail provides a stable optics platform for red dots and other Picatinny-compatible accessories...

HK UMP, USC Rail Set Complete - Old Style A complete set of rails for your HK UMP/USC featuring an extended top rail for mounting your optic of choice. The rails are scratch-resistant, class 3 mil-spec hard-coat anodized. Each set includes the top...

GG&G HK Mark 23 Light and Laser Picatinny Rail Mount OPEN PACKAGE GG&G light and laser Picatinny rail mount for the HK Mark 23. Machined from 6061-T6 aircraft-grade aluminum with a Type III hard coat anodized matte black finish, this...

HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Linear compensators give you the best of both...

Heckler and Koch Sling Swivel Circlip for HK MP5 Genuine Heckler and Koch sling swivel circlip designed for HK MP5 pattern firearms. This circlip secures the sling swivel assembly to the firearm and provides a correct factory-style attachment point for...

FN P90 Side Rail - Set of 2 ONLY 2 UNITS LEFT - SOLD IN A PACK OF TWO RAILS DOES NOT INCLUDE ALLEN WRENCH Set of 2 side rails for the P90. Compatible With: FN P90 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE.  SALE IS FINAL.

B&T HK G3 Brass Catcher THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE.  SALE IS FINAL.  Mounts to B&T tri-rail handguard (BT-21042) which is no longer available from B&T. The B&T HK G3 brass catcher is a...

USA Made .40 S&W 4 Prong Flash Hider - 14.5x1 LH THIS IS A CLOSEOUT PRODUCT DUE TO A HARMONIC (TUNING FORK EFFECT) PRESENT WHEN SHOOTING.  THE PART IS ENTIRELY FUNCTIONAL AND IS SOLD AS-IS, RETURNS WILL NOT BE ACCEPTED. For use on all HK German ...