Magnum Research BAR3576 Replacement Barrel 357 Mag Fits Desert Eagle Mark XIX 6" Black Steel
http://www.tandktactical.com/shop/761226022886-magnum-research-bar3576-replacement-barrel-357-mag-fits-desert-eagle-mark-xix-6-black-steel-7545
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Once you've purchased a Mark XIX Desert Eagle you can change the barrel length in seconds, if you have the appropriate components in hand.
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30-day money-back guarantee
Shipping: 2-3 Business Days