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You are here:Home > AR 15 STORE > AR15 Barrels > .300BLK Barrels
8" to 12.5" Barrels 14.5" to 16" Barrels
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Radical Firearms 16" 300 AAC Pistol Gas 1-8 Twist 4150V Radical Firearms 10.5" 300 AAC Pistol Gas 1-8 Twist 4150V Yankee Hill 16" .300 Blackout Barrel - Threaded Fluted

Our Price: $129.95
Sale Price: $110.46
You save $19.49!
In Stock
(4)

Our Price: $129.95
Sale Price: $110.46
You save $19.49!
In Stock
(1)

Our Price: $204.50
Sale Price: $173.82
You save $30.68!
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(3)
Radical Firearms 16" 300 AAC Pistol Gas 1-8 Twist 4150V - 16300P1-8 Radical Firearms 10.5" 300 AAC Pistol Gas 1-8 Twist 4150V Yankee Hill 16" .300 Blackout Barrel - Threaded Fluted - YHM-70-TF
  • Manufacturer: Radical Firearms
  • Chamber: .300BLK
  • Fluted: No
  • Barrel Length: 16"
  • Twist Rate: 1:8
  • Gas System: Pistol
  • Diameter at Gas Port: 0.750"
  • Thread Pitch: 5/8x24
  • Material: 4150 Chrome Moly Vanadium Steel
  • Finish: Melonite
  • Process: Button Rifled
  • Barrel Lining: Melonite
  • Barrel Extension: A4
  • Assembly: Stripped
  • Weight: 1lb 15.3oz
  • Manufacturer: Radical Firearms
  • Chamber: .300BLK
  • Fluted: No
  • Barrel Length: 10.5"
  • Twist Rate: 1:8
  • Gas System: Pistol
  • Diameter at Gas Port: 0.750"
  • Thread Pitch: 5/8x24
  • Material: 4150 Chrome Moly Vanadium Steel
  • Finish: Melonite
  • Process: Button Rifled
  • Barrel Lining: Melonite
  • Barrel Extension: A4
  • Assembly: Stripped
  • Weight: 1lb 6.2oz
  • Manufacturer: Yankee Hill Machine
  • Chamber: .300BLK
  • Contour: Medium
  • Fluted: Yes
  • Barrel Length: 16"
  • Twist Rate: 1:8
  • Gas System: Carbine Length
  • Diameter at Gas Port: .750"
  • Thread Pitch: 5/8x24
  • Feed Ramps: M4
  • Material: 4140 Chrome Moly Vanadium Steel
  • Finish: Melonite QPQ
  • Process: N/A
  • Barrel Lining: Melonite QPQ
  • Barrel Extension: M4
  • Assembly: Stripped
  • Weight: 26.2oz
Radical Firearms 8.5" 300 AAC HBAR Profile Melonite 1-8 CMMG Barrel Sub-Assm, 8.0" MC 4140CM SBN, 300 BLK Yankee Hill 16" .300 Blackout Barrel - Threaded

Our Price: $129.95
Sale Price: $110.46
You save $19.49!
In Stock
(1)

Our Price: $169.95
Sale Price: $144.46
You save $25.49!
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(3)

Our Price: $194.99
Sale Price: $165.74
You save $29.25!
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Radical Firearms 8.5" 300 AAC HBAR Profile Melonite 1-8 8.5-300AAC1-8BARREL CMMG Barrel Sub-Assm, 8.0" MC 4140CM SBN, 300 BLK- 30D810A Yankee Hill 16" .300 Blackout Barrel - Threaded - YHM-70-T
  • Manufacturer: Radical Firearms
  • Chamber: .300BLK
  • Fluted: No
  • Barrel Length: 8.5"
  • Twist Rate: 1:8
  • Gas System: Pistol
  • Diameter at Gas Port: 0.750"
  • Thread Pitch: 5/8x24
  • Material: 4150 Chrome Moly Vanadium Steel
  • Finish: Melonite
  • Process: Button Rifled
  • Barrel Lining: Melonite
  • Barrel Extension: A4
  • Assembly: Stripped
  • Manufacturer: CMMG
  • Chamber: .300BLK
  • Contour: Medium
  • Fluted: No
  • Barrel Length: 8.0"
  • Twist Rate: 1:7
  • Gas System: Pistol Length
  • Diameter at Gas Port: 0.750"
  • Thread Pitch: 5/8x24
  • Feed Ramps: M4
  • Material: 4140 CrMo
  • Finish: Salt Bath Nitride
  • Process: Button Rifled
  • Barrel Lining: Salt Bath Nitride
  • Barrel Extension: A4
  • Assembly: Stripped
  • Weight: 14.6oz
  • Manufacturer: Yankee Hill Machine
  • Chamber: .300BLK
  • Contour: Medium
  • Fluted: No
  • Barrel Length: 16"
  • Twist Rate: 1:8
  • Gas System: Carbine Length
  • Diameter at Gas Port: 0.750"
  • Thread Pitch: 5/8x24
  • Feed Ramps: M4
  • Material: 4140 Chrome Moly Vanadium Steel
  • Finish: Melonite QPQ
  • Process: N/A
  • Barrel Lining: Melonite QPQ
  • Barrel Extension: M4
  • Assembly: Stripped
  • Weight: 26.2oz
Spikes Tactical ST- Lothar Walther 16" .300BLK Medium Profile Stainless Steel Barrel 1:8 Twist Odin Works 300 Blackout Barrel 16.1" Carbine Length Daniel Defense 16" .300BLK CHF Barrel - S2W - Carbine

Our Price: $299.77
Sale Price: $254.80
You save $44.97!
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(1)

Our Price: $250.00
Sale Price: $212.50
You save $37.50!
In Stock

Our Price: $274.99
Sale Price: $233.74
You save $41.25!
In Stock
Spikes Tactical ST- Lothar Walther 16" Medium Profile Stainless Steel Barrel 1:8 Twist - SB31603-MP Odin Works 300 Blackout Barrel 16.1" Carbine Leghth- B-300-16 Daniel Defense 16" .300BLK CHF Barrel - S2W - Carbine - 36-116-22022-107
  • Manufacturer: Lothar Walther & Spikes Tactical
  • Chamber: .300BLK
  • Contour: Medium
  • Fluted: No
  • Barrel Length: 16"
  • Twist Rate: 1:8 (Polygonal)
  • Gas System: Carbine Length
  • Diameter at Gas Port: 0.750"
  • Thread Pitch: 5/8x24
  • Feed Ramps: M4
  • Material: LW-50 Stainless Steel
  • Finish: Bead Blasted
  • Process: Button Rifled
  • Barrel Lining: No
  • Barrel Extension: Improved M4
    • Nickel Boron coating
    • Extended Feed Ramps
  • Assembly: Stripped
  • Weight: 32.0oz
  • Manufacturer: Odin Works
  • Chamber: .300BLK
  • Contour: Medium Profile
  • Fluted: No
  • Barrel Length: 16.1"
  • Twist Rate: 1:8
  • Gas System: Carbine
  • Diameter at Gas Port: 0.750"
  • Thread Pitch: 5/8x24
  • Feed Ramps: M4
  • Material: 416 Stainless Steel
  • Finish: Stainless
  • Process: Button Rifled
  • Barrel Lining: Stainless
  • Barrel Extension: A4
  • Assembly: Stripped
  • Weight: 28.6oz
  • Manufacturer: Daniel Defense
  • Chamber: .300BLK
  • Contour: S2W
  • Fluted: No
  • Barrel Length: 16"
  • Twist Rate: 1:8
  • Gas System: Carbine Length
  • Diameter at Gas Port: 0.750"
  • Thread Pitch: 5/8x24
  • Feed Ramps: M4
  • Material: Mil-Spec Chrome Moly Vanadium Steel
  • Finish: Salt Bath Nitride
  • Process: Cold Hammer Forged
  • Barrel Lining: Salt Bath Nitride
  • Barrel Extension: A4
  • Assembly: Stripped
  • Weight: 36.64oz
Daniel Defense 10.3" .300BLK CHF Barrel - S2W - Pistol CMMG 16.1" .300BLK Barrel Multi-Role Profile - 4140CM - Salt Bath Nitride

Our Price: $274.99
Sale Price: $233.74
You save $41.25!
In Stock

Our Price: $189.95
Sale Price: $161.46
You save $28.49!
(Out of Stock)
(1)
Daniel Defense 10.3" .300BLK CHF Barrel - S2W - Pistol - 07-077-16176-018 CMMG 16.1" .300BLK Barrel Multi-Role Profile - 4140CM - Salt Bath Nitride - 30DF80A
  • Manufacturer: Daniel Defense
  • Chamber: .300BLK
  • Contour: S2W
  • Fluted: No
  • Barrel Length: 10.3"
  • Twist Rate: 1:8
  • Gas System: Pistol Length
  • Diameter at Gas Port: 0.750"
  • Thread Pitch: 5/8x24
  • Feed Ramps: M4
  • Material: Mil-Spec Chrome Moly Vanadium Steel
  • Finish: Salt Bath Nitride
  • Process: Cold Hammer Forged
  • Barrel Lining: Salt Bath Nitride
  • Barrel Extension: A4
  • Assembly: Stripped
  • Weight: 20.64oz
  • Manufacturer: CMMG
  • Chamber: .300BLK
  • Contour: Multi Role Profile
  • Fluted: No
  • Barrel Length: 16.1"
  • Twist Rate: 1:7
  • Gas System: Carbine
  • Diameter at Gas Port: 0.750"
  • Thread Pitch: 5/8x24
  • Feed Ramps: M4
  • Material: 4140 Chrome Moly
  • Finish: Salt Bath Nitride
  • Process: Button Rifled
  • Barrel Lining: Salt Bath Nitride
  • Barrel Extension: A4
  • Assembly: Stripped
  • Weight: 28.8oz