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Barrel Hardware

Classic Firearms carries an expansive selection of OEM replacement and aftermarket rifle barrels, as well as barrel hardware. Shop popular brands like Aero Precision and Ballistic Advantage. Buy your next rifle barrel upgrade online at Classic Firearms!

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Anderson Low Profile Steel Gas Block .750 Diameter - For AR-15 Platforms - G2-L054-CA01

Anderson Low Profile Steel Gas Block .750 Diameter - For AR-15 Platforms - G2-L054-CA01

$29 99 $42.50
In Stock
Aim Sports ACWA2 AR10/LR Crush Washer .308/7.62 Steel

Aim Sports ACWA2 AR10/LR Crush Washer .308/7.62 Steel

$7 99 $11.00
In Stock
Aero Precision 14.5" 5.56 Gov CMV Barrel, Mid-Length with Pinned Gamma 556SL - APRH100067C

Aero Precision 14.5" 5.56 Gov CMV Barrel, Mid-Length with Pinned Gamma 556SL - APRH100067C

$149 99 $249.99
In Stock
Ballistic Advantage Premium Series 18" 6.5 Creedmoor Hanson Profile Mid-Length AR-10 Barrel with .750" Low Profile Gas Block - Bead Blasted - BABL65CR21P

Ballistic Advantage Premium Series 18" 6.5 Creedmoor Hanson Profile Mid-Length AR-10 Barrel with .750" Low Profile Gas Block - Bead Blasted - BABL65CR21P

$149 99 $285.00
In Stock
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Griffin Armament SUPPRESSOR ALIGNMENT CHECK ROD - .30 Caliber - GASACR30

Griffin Armament SUPPRESSOR ALIGNMENT CHECK ROD - .30 Caliber - GASACR30

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Ballistic Advantage Premium Series 18" .308 Hanson Profile Mid-Length AR-10 Barrel with .750" Low Profile Gas Block - BABL308021PQ

Ballistic Advantage Premium Series 18" .308 Hanson Profile Mid-Length AR-10 Barrel with .750" Low Profile Gas Block - BABL308021PQ

$149 99 $285.00
In Stock
Fightlite Industries MCR 16.25" Adjustable Barrel 5.56 NATO - BBL002C

Fightlite Industries MCR 16.25" Adjustable Barrel 5.56 NATO - BBL002C

$1019 99
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Ballistic Advantage Premium Series 16" 6.5 Creedmoor Hanson Profile Mid-Length AR-10 Barrel with .750" Low Profile Gas Block - BABL65CR19PQ

Ballistic Advantage Premium Series 16" 6.5 Creedmoor Hanson Profile Mid-Length AR-10 Barrel with .750" Low Profile Gas Block - BABL65CR19PQ

$169 99 $285.00
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Ballistic Advantage Premium Series 18" 6.5 Creedmoor Hanson Profile Mid-Length AR-10 Barrel with .750" Low Profile Gas Block - BABL65CR21PQ

Ballistic Advantage Premium Series 18" 6.5 Creedmoor Hanson Profile Mid-Length AR-10 Barrel with .750" Low Profile Gas Block - BABL65CR21PQ

$169 99 $285.00
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Strike Industries Barrel Cover Thread Protector BCTPBLU Firearm Accessory .223/5.56 1/2x28 TPI 6061-T6 Aluminum Blue

Strike Industries Barrel Cover Thread Protector BCTPBLU Firearm Accessory .223/5.56 1/2x28 TPI 6061-T6 Aluminum Blue

$13 95
In Stock
Strike Industries BCTPFDE Barrel Thread Protector 1/2"-28 6061-T6 Aluminum

Strike Industries BCTPFDE Barrel Thread Protector 1/2"-28 6061-T6 Aluminum

$13 95
In Stock
LBE Unlimited ARCNUT AR-15 Castle Nut, 4140 Steel, Manganese Phosphate Finish.

LBE Unlimited ARCNUT AR-15 Castle Nut, 4140 Steel, Manganese Phosphate Finish.

$4 99 $5.99
In Stock
LBE Unlimited ARBNT AR-15 Barrel Nut, Steel, Manganese Phosphate Finish

LBE Unlimited ARBNT AR-15 Barrel Nut, Steel, Manganese Phosphate Finish

$7 99 $8.99
In Stock
LBE Unlimited ARBNT308 Barrel Nut, Firearm Parts, .308, 4130 Chromoly Steel, Black Phosphate Finish.

LBE Unlimited ARBNT308 Barrel Nut, Firearm Parts, .308, 4130 Chromoly Steel, Black Phosphate Finish.
$18 72
In Stock
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Ballistic Advantage Premium Series 20" 6mm ARC DMR Rifle Length AR-15 Barrel, 1:7 Twist, 416R Stainless Steel - BABL6MM003PQ

Ballistic Advantage Premium Series 20" 6mm ARC DMR Rifle Length AR-15 Barrel, 1:7 Twist, 416R Stainless Steel - BABL6MM003PQ

$261 25
In Stock
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Griffin Armament SUPPRESSOR ALIGNMENT CHECK ROD - .22 Caliber - GASACR22

Griffin Armament SUPPRESSOR ALIGNMENT CHECK ROD - .22 Caliber - GASACR22

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Timber Creek Outdoors TCCN Castle Nut, Firearm Parts, Black Steel, AR Platform Compatible.

Timber Creek Outdoors TCCN Castle Nut, Firearm Parts, Black Steel, AR Platform Compatible.

$6 39
In Stock
Rosco Manufacturing Bloodline BL-16-M4-556-7-C 16" 5.56 NATO Nitride 4150 CMV Barrel for AR-15 M4

Rosco Manufacturing Bloodline BL-16-M4-556-7-C 16" 5.56 NATO Nitride 4150 CMV Barrel for AR-15 M4

$152 10
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Rosco Manufacturing Bloodline BL-16-HB-556-7-C 16" 5.56 NATO Heavy Barrel Nitride 4150 CMV for AR-15

Rosco Manufacturing Bloodline BL-16-HB-556-7-C 16" 5.56 NATO Heavy Barrel Nitride 4150 CMV for AR-15

$167 40
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Rosco Manufacturing Bloodline BL-16-HB-300BLK-8-P 16" Barrel 300 Blackout 4150 CMV Nitride AR-15 Compatible

Rosco Manufacturing Bloodline BL-16-HB-300BLK-8-P 16" Barrel 300 Blackout 4150 CMV Nitride AR-15 Compatible

$178 20
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Rosco Manufacturing Purebred PB-16-HB-300BLK-8-P 16" 300 Blackout 416R Stainless Bead Blast AR-15 Barrel

Rosco Manufacturing Purebred PB-16-HB-300BLK-8-P 16" 300 Blackout 416R Stainless Bead Blast AR-15 Barrel

$233 10
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Ballistic Advantage Performance Series 11.3" 5.56x45mm Hanson Profile Carbine Barrel with Low Profile Gas Block - BABL556032F

Ballistic Advantage Performance Series 11.3" 5.56x45mm Hanson Profile Carbine Barrel with Low Profile Gas Block - BABL556032F
$129 99 $209.00
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Ballistic Advantage - 20" Barrel - .308 Winchester - Heavy Profile Rifle Length - Modern Series Barrel - 1:10 Twist - .750 Gas Block - BABL308006M

Ballistic Advantage - 20" Barrel - .308 Winchester - Heavy Profile Rifle Length - Modern Series Barrel - 1:10 Twist - .750 Gas Block - BABL308006M
$237 50
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Ballistic Advantage Premium Black Series 18" .308 Hanson Profile, Mid-Length Barrel with Low Profile .875" Gas Block, 1:10 Twist - BABL308018PQ

Ballistic Advantage Premium Black Series 18" .308 Hanson Profile, Mid-Length Barrel with Low Profile .875" Gas Block, 1:10 Twist - BABL308018PQ
$149 99 $210.00
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