Caliber Conversion Kits

H&K HK MR556 Front Lower Receiver Locking Pin With Spring Loaded Detent This part is the front (large) takedown pin with ball detent and locking mechanism installed. The idea behind this type of system is to decrease the movement of the upper and...

HK Single Point Sling in Green - Quick Detach Specifications: Composition: Heavy duty 1.5" wide adjustable nylon webbing and elastic bungee construction. Style: Bungee-type design for complete comfort and stability Sling loop is adjustable for length...

H&K Vertical Foregrip (With Slide in for LM/LLM Switch) Compatible With: HK MP5/K HK MP5SD MP7A2 HK G36/G36K/G36C HK MR556/416 HK MR762/417

Magpul PMAG 40 Round AR-15 5.56/.223 Magazine Latest M3 generation, NON-windowed PMAG (Polymer Magazine). Featuring a pop-off storage/dust cover that alleviates pressure from the magazine feed lips, allowing for long-term storage of loaded magazines...

4X32 TRI ILLUMINATED SCOPE W/FIBER OPTIC SIGHT ARROW PLX RETICLE 4X32 TRI ILLUMINATED SCOPE W/FIBER OPTIC SIGHT MIL-DOT RETICLE 4 X 32 Prismatic Scope With Illuminated Reticle. The optic is 100% shock resistant, recoil and fog proof, as well as entirely...

H&K Heckler and Koch 5.56 / .223 Flash Hider - Threaded 1/2x28 This flash hider is threaded 1/2x28 for use on all HK416, HK MR556, and other AR-style applications. It is a great flash hider to use to upgrade the MR556 barrel. Specifications: Made in...

H&K (7.62x51/.308) Cleaning Kit New Factory HK German 91, G3, PTR, or other HK .308 cleaning kit for all .308 HK's or clones.  Includes: Cleaning rod for short and long barrels Adapter for cleaning tools 8-32 Patch holder Bore brush Chamber...

B&T Angled Foregrip / Hand Stop with NAR Interface A perfect solution for shooters who prefer an angled foregrip. The lugs at the end of the grip assure a firm rest for the supporting hand. The grip can be mounted easily onto any NAR/Picatinny rail...

XS Sights Tritium Night Sight  - Standard Dot Standard Dot front sights use a patent-pending glow dot that absorbs light and glows in low light levels before it is dark enough to see the tritium. Green is a great option for low light and has a very...

Magpul MS3 Sling - Gen 2 Magpul Industries MS3- Multi Mission Sling System Sling Black AR Rifles 1 or 2 Point Sling.

Maglula Magazine Loader/Unloader - Generation 2, Lula, 223 Rem/556NATO, Fits AR-15 - Black The Maglula LULA magazine loader & unloader AR-15 for 223 Remington / 5.56mm NATO is a mil-spec tool that allows you to load and unload magazines fast,...

UTG Quick Detach Low Profile Folding Grip Features: Unique knurled surface for the most solid grip Smart Posi-Lock cross bolt and spring tensioned locking plate with steel insert for the most secure installation Fully adjustable quick detachable...