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Conversion Kits

MDS Optics collection of conversion kits for your weapon from CMMG as well as TacStar Industries. The conversion kits can allow modification of your weapons firing rate, magazine size, and your caliber of bullet. These great products from MDS Optics are top quality kits at a very affordable price. These products are compatible with the ARC-22 AR, the Mossberg 500/590, and the Remington 870 shotguns
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