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18" Accessories

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18" Straight Fluted Heavy Barrel for Sale at Classic Firearms

AR-15 18" Heavy Barrel, .223 WYLDE, 1:7, Straight Fluted, Parkerized

Out of Stock
AR-15 18" Heavy Barrel, .223 WYLDE 1:9, Parkerized

AR-15 18" Heavy Barrel, .223 WYLDE 1:9, Parkerized
Out of Stock
B308MSC18110 for Sale at Classic Firearms

AR-10 18" SOCOM Barrel, .308,1:10, Parkerized
Out of Stock
AR-15 18" Heavy Barrel, 6.5 Grendel

AR-15 18" Heavy Barrel, 6.5 Grendel Type 2, 1:8, Stainless
Out of Stock
AR-15 18" Heavy Barrel, 6.5 Grendel Type 2, 1:8, Straight Fluted, Stainless

AR-15 18" Heavy Barrel, 6.5 Grendel Type 2, 1:8, Straight Fluted, Stainless
Out of Stock
AR-15 18" Heavy Barrel, .223 WYLDE, 1:7 Twist, Spiral Fluted, Stainless

AR-15 18" Heavy Barrel, .223 WYLDE, 1:7 Twist, Spiral Fluted, Stainless
Out of Stock
AR-15 18" Heavy Barrel, 6.5 Grendel Type 2, 1:8 5R, Straight Fluted

AR-15 18" Heavy Barrel, 6.5 Grendel Type 2, 1:8 5R, Straight Fluted, Black Nitride
Out of Stock
AR-10 18" Parkerized Heavy Barrel Rifle Length Gas System, 1:8 Twist - 6.5 Creedmoor 1030-B65CRHB1818P

AR-10 18" Parkerized Heavy Barrel Rifle Length Gas System, 1:8 Twist - 6.5 Creedmoor 1030-B65CRHB1818P

Out of Stock
AR-10 6.5 Creedmoor 18" Black Nitride Straight Fluted Heavy Barrel - Rifle Length Gas System - 1:8 Twist

AR-10 6.5 Creedmoor 18" Black Nitride Straight Fluted Heavy Barrel - Rifle Length Gas System - 1:8 Twist
Out of Stock
AR-15 18" Heavy Barrel, 6.5 Grendel Type 2, 1:8, Spiral Fluted, Stainless

AR-15 18" Heavy Barrel, 6.5 Grendel Type 2, 1:8, Spiral Fluted, Stainless
Out of Stock
BCA AR-15 Complete Upper Receiver, 18" 1:7 .223 Wylde, 15" M-LOK Free Float Rail

BCA AR-15 Complete Upper Receiver, 18" 1:7 .223 Wylde, 15" M-LOK Free Float Rail

Out of Stock
AR-15 18" Mid Weight Profile Barrel, .224 Valkyrie, 1:7, Stainless

AR-15 18" Mid Weight Profile Barrel, .224 Valkyrie, 1:7, Stainless
Out of Stock
Radical Firearms .22 Nosler Complete Upper, 18" Medium Contour Stainless w/ 15" RPR Rail - CFU18-22NOS-SS-M-15RPR

Radical Firearms .22 Nosler Complete Upper, 18" Medium Contour Stainless w/ 15" RPR Rail - CFU18-22NOS-SS-M-15RPR

Out of Stock
Ballistic Advantage Premium Series AR-10 18" 6.5 Creedmoor Mid-Length, Stainless Steel, Fluted, Bead Blasted Barrel - BABL65CR01PL

Ballistic Advantage Premium Series AR-10 18" 6.5 Creedmoor Mid-Length, Stainless Steel, Fluted, Bead Blasted Barrel - BABL65CR01PL

Out of Stock
Ballistic Advantage Premium Series AR-10 18" .308 Win Rifle Length, Stainless Steel, Bead Blasted, Heavy Barrel - BABL308012PL

Ballistic Advantage Premium Series AR-10 18" .308 Win Rifle Length, Stainless Steel, Bead Blasted, Heavy Barrel - BABL308012PL
Out of Stock
AR-15 18" Heavy Barrel, .223 WYLDE, 1:8, Straight Fluted, Stainless

AR-15 18" Heavy Barrel, .223 WYLDE, 1:8, Straight Fluted, Stainless
Out of Stock
AR-10 18" SOCOM Barrel, .308, 1:10, Straight Fluted, Stainless

AR-10 18" SOCOM Barrel, .308, 1:10, Straight Fluted, Stainless
Out of Stock
AR-15 18" Heavy Barrel, 6.5 Grendel Type 2, 1:8 5R, Straight Fluted, Stainless

AR-15 18" Heavy Barrel, 6.5 Grendel Type 2, 1:8 5R, Straight Fluted, Stainless
Out of Stock
BCA AR-15 Complete Dual Charging Upper Receiver, 18" Stainless Heavy Barrel .223 Wylde, 15" M-LOK Free Float Rail

BCA AR-15 Complete Dual Charging Upper Receiver, 18" Stainless Heavy Barrel .223 Wylde, 15" M-LOK Free Float Rail

Out of Stock
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