Caliber Conversion Kits

MFI HK G28 Style Flash Hider - Threaded 15x1 The G28, 2nd Gen flash hider is threaded 15x1 RH pitch, which is a standard HK Thread Pattern for .308 and .223 caliber weapons. It also has a deep...

FDE HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial Genuine HK German manufactured 416 & MR556 latest generation, marine environment & over the beach buffer tube...

Trijicon Low Picatinny Rail Mount for RMR/SRO - RM33 Low Picatinny rail mount for RMR/SRO. Includes: Mount Optic mounting screws <

Magpul M-LOK QD Sling Mount The M-LOK Quick Detach Sling Mount provides a forward attachment point for the Magpul MS4 Sling and other push-button QD slings. Machined from Mil-Spec anodized aluminum,...

B&T (5.56/.223) Flash Hider - Suppressor Compatible - Threaded 1/2x28 - Universal Elevate the performance of your HK 416 or MR556 with this premium flash hider. Designed for compatibility with a...

Magpul AR-15 CTR 6 Position Stock - Mil-Spec The Magpul CTR (Compact/Type Restricted) Commercial-Spec Model is a drop-in replacement buttstock for AR15/M16 carbines using Mil-Spec-sized receiver...

MFI PTR Flash Hider - .223/5.56 - G28 Style - 5/8x24 RH

Ergo Sling Loop Rail Mount- Ambidextrous The ergonomic HK slide mount sling hook base provides an economical means for attaching an HK-style sling hook to all 1913 Picatinny rails. Perfect for...

Gear Head Works Tailhook Mod 1 - FDE We start with a solid piece of billet aluminum and meticulously machine every aspect for a part that is as nice to look at as it is to use. This version clamps to...

Ergo Picatinny Rail Hand Stop Compatible with all Picatinny rails and adds a positive stop. Useful on short-barrel rifles and shotguns and can act as a hand-positioning device.

M-LOK Hand Stop/Barricade Stop in Black Features: Aggressive textured front for enhanced traction on barricades and obstacles Low profile base also functions as a comfortable hand stop