Caliber Conversion Kits

B&T 39mm Picatinny QD Skeleton Mount for Aimpoint T-Series The B&T QD skeleton mount for Aimpoint T-Series offers a 39mm

TPM Tactical Precision MFG 3 Port .30 Cal Muzzle Brake with Crush Washer This 3 port muzzle brake is made for any 5/8x24 application and comes with a crush washer. Specifications: Dimensi

Heckler and Koch Gas Block for HK417, MR762, G28 New German HK manufacture for the HK MR762 & HK417, G28 firearm. This unit comes without the sling loops installed. Compatible With:

CQT FX Simunition Conversion Kit for MP5 - 9mm - Blue - USED   SHADES OF BLUE MAY VARY  

B&T Brugger and Thomet's Flash Hider - for 5.56mm NATO caliber weapons threaded 1/2x28 Factory B&T 1/2x28 flash hider for 5.56 rifles.   Compatible With: HK 416

SureFire Procomp (5.56/223) Muzzle Brake - Threaded 1/2x28 The advanced SureFire ProComp 556 muzzle brake fits M4/M16 weapons and variants with 1/2x28 muzzle threads. It significantly reduces both...

HK UMP 9mm Conversion Kit - US-Made UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion...

ST Inc. 2-Round C.A.R.L. Lever for AR-15 Rifles Equipped with AS Designs ARC-Fire and Atrius Trigger Systems The C.A.R.L. (Cam Activated Reset Limiter) is a drop-in FRT-piggy-back system that...

Heckler and Koch HK G3, HK91 .22LR Caliber Conversion Kit - USED SOLD AS IS. NO RETURNS. Convert any HK91 or  HK G3 rifle to cycle .22LR ammunition with this genuine HK caliber conversion kit. This ki

Franklin Armory CZ Scorpion - BFSIII - Binary Trigger The BFSIII for CZ Scorpion is a 3-Position Trigger. In position 3 it will fire 1 round on Pull and 1 round on Release. This makes it the fastest...

Magpul AR-15 ACS Stock - Mil-Spec The patent-pending Magpul ACS (Adaptable Carbine/Storage) mil-spec model is a drop-in replacement butt-stock for AR15/M16 carbines using mil-spec-sized receiver...

MKE AP5, MP5 Front Sight Tower - UNFINISHED - BLEMISHED SOLD INDIVIDUALLY - UNFINISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEM