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Barrels

Looking to upgrade the barrel on your pistol, rifle, or shotgun? Classic Firearms has you covered! Browse quality OEM replacement and aftermarket barrels from popular brands like Mossberg, Sig Sauer, and Ballistic Advantage online today!

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1-24 of 756 Products
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AR-15 16" M4 Barrel, 5.56 NATO, 1:8 Twist, Parkerized
$49 99 $99.99
In Stock
Aero Precision 14.5" 5.56 Gov CMV Barrel, Mid-Length with Pinned Gamma 556SL - APRH100067C
$149 99 $249.99
In Stock
AR-15 16" M4 Contour Barrel, .223 WYLDE, 1:8, Stainless
$69 99 $88.99
In Stock
Only 2 Left!
Aero Precision AR-9 11" 9mm CMV Barrel - APRH200024
$129 99 $144.99
In Stock
Only 3 Left!
Glock 19 Compatible Replacement Barrel W/ Black Nitride Finish - 4.02" - 1:16 Twist - 9mm
$39 00 $59.99
In Stock
Only 2 Left!
Ballistic Advantage Modern Series 8.3" AR-15 9mm Pencil Barrel 1:10 Twist - BABL9MM005M
$59 99 $109.25
In Stock
Only 1 Left!
AR-15 18" Heavy Barrel, 6.5 Grendel
$99 99 $168.99
In Stock
AR-15 BARREL 16" CONTOUR BARREL W/ 1:7 TWIST 5.56 NATO MID-LENGTH BLACK NITRIDE
$89 99 $139.99
In Stock
Ballistic Advantage Modern Series 10.5" .300 Blackout, Pistol Length, 1:7 Barrel - BABL300008M
$99 99 $156.75
In Stock
Only 2 Left!
Silencerco AC2447 LOW Profile 9mm 3 LUG Mount
$118 15
In Stock
Ballistic Advantage Premium Series Glock 17 GEN5 Compatible 1/2x28" Threaded PVD Gold Non-Fluted Barrel with Standard Thread Protector - BAPSG175T1G
$99 99 $166.25
In Stock
Only 1 Left!
Mil-Spec AR-15 Carbine 9mm 16" Barrel - 1 in 10 Twist - Black Nitride Finish - Threaded 1/2X36 - BAR9MM16
$79 99 $149.99
In Stock
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