Winchester Super X3
Parts listed here are specific to the Winchester Super X3 shotgun model chambered in 12 or 20 gauge unless noted otherwise. MGW carries replacement barrels, forearms, choke tubes, magazine tubes, recoil pads, trigger guard assemblies, pistons, springs and other small parts for this semi-auto shotgun. Service your Winchester SX3 with quality OEM and aftermarket parts/components to ensure reliable performance with every shot.
The schematic may not represent all the parts available - please scroll down for a complete list of items offered for this model.
Click on any part number highlighted in RED to view specific details or to purchase online.
It is recommended that all parts be fit by a qualified gunsmith.
Showing 369 - 384 of 405 results
Showing 369 - 384 of 405 results


FN SLP / Browning A-500, Gold & Silver / Winchester SX2 & SX3 12ga Mag Cap Retainer
$7.25
Sold Out

FNH SLP Invector Plus Extended 12GA Choke Tube, Improved Modified
$34.00
Sold Out

FNH SLP Invector Plus Extended 12GA Choke Tube, Improved Cylinder
$34.00
Sold Out

FN SLP MK1 & Winchester Super X2,3,4 Invector 12ga. Barrel 22", Matte
$249.00
In Stock

Sure Cycle Magazine Upgrade System For Winchester SX2, SX3 & SX4 12GA Shotguns
$38.95
In Stock

Sure Cycle System For Browning/Winchester Shotguns
$165.95
In Stock

Winchester Signature Series Invector Plus Chokes
$44.00