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GrabAGun Updated Oct 31, 2026

One Horse AR-15 Barrel 5.56 7.5 Threaded Barrel Pistol Length

$78.39

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GrabAGun Updated Oct 31, 2026

One Horse AR-15 Barrel 5.56 10.5 Threaded Barrel

$98.99

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GrabAGun Updated Oct 31, 2026

One Horse AR-15 Barrel 5.56 16 Barrel Mid Length

$96.69

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GrabAGun Updated Oct 31, 2026

One Horse Pistol Gas Barrel .300 AAC Blackout 10.5 Threaded Barrel

$89.79

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Ammunition Depot Updated Oct 31, 2026

One Horse Pistol Gas Barrel .300 BLK 10.5" - 5/8x24 Thread 1:7 Twist Black

$86.49

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Ammunition Depot Updated Oct 31, 2026

One Horse Twistone Horse Pistol Gas Barrel - 7.5" 5.56 NATO 1:7 Twist

$74.49

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Ammunition Depot Updated Oct 31, 2026

One Horse M4 Nitride Barrel - 5.56 NATO 16" Mid-Length Gas

$88.99

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Ammunition Depot Updated Oct 31, 2026

One Horse 16" 5.56 NATO Barrel - 1:8 Twist Mid-Length SOCOM Profile

$88.99

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Ammunition Depot Updated Oct 31, 2026

One Horse 16" Medium Profile Gas Barrel - 300 AAC Pistol

$88.99

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GrabAGun Updated Oct 31, 2026

One Horse AR-15 Barrel 5.56 16 Threaded Barrel Carbine Length

$96.49

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Optics Planet Updated Oct 31, 2026

One Horse 16in Mid-Length Socom Barrel 1:8 Twist 5.56 Nato

$119.99

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GrabAGun Updated Oct 31, 2026

22% OFF

One Horse OH-15 5.56 16 Barrel 30-Rounds

$469.99 $599.00

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GrabAGun Updated Oct 31, 2026

24% OFF

One Horse OH-15 6mm ARC 18 Barrel 30-Rounds w/ Magpul Furniture

$609.99 $799.99

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Optics Planet Updated Oct 31, 2026

One Horse 5.56x45mm NATO Threaded AR Barrel 7.5in Medium Pistol Length 1-7 Twist 1/2x28 Black

$98.49

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Optics Planet Updated Oct 31, 2026

3% OFF

One Horse .300 AAC Blackout Threaded AR Barrel 10.5in Medium Pistol Length 1-7 Twist 5/8x24 Black

$114.99 $118.38

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Optics Planet Updated Oct 31, 2026

One Horse 5.56x45mm NATO Threaded AR Barrel 10.5in Medium Carbine Length 1-7 Twist 1/2x28 Black

$119.99

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Optics Planet Updated Oct 31, 2026

One Horse .300 AAC Blackout Threaded AR Barrel 16in Medium Pistol Length 1-8 Twist Black

$121.99

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Optics Planet Updated Oct 31, 2026

One Horse 5.56x45mm NATO Threaded AR Barrel 16in M4 Carbine Length 1-7 Twist 1/2x28 Black

$121.99

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Natchez Shooting & Outdoors Updated Oct 31, 2026

7% OFF

One-Horse One Horse Pistol Gas Barrel .300 BLK 5/8x24 Thread 10.5" Black

$86.99 $93.49

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Natchez Shooting & Outdoors Updated Oct 31, 2026

7% OFF

One-Horse One Horse Carbine Gas Barrel 5.56 NATO 1/2x28 Thread 10.5" Black

$86.99 $93.49

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KYGUNCO Updated Oct 30, 2026

One Horse 10.5" Carbine Gas 5.56 NATO Barrel 1:7

$93.84

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KYGUNCO Updated Oct 30, 2026

One Horse 16" Pistol Gas SOCOM Barrel 300 Blackout 1:7

$91.86

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KYGUNCO Updated Oct 30, 2026

One Horse 16" Mid-Length SOCOM Barrel 5.56 NATO 1:8 Twist

$91.86

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Where to buy One Horse barrels

GrabAGun 9 in stock
Optics Planet 6 in stock
Ammunition Depot 4 in stock
KYGUNCO 3 in stock
Natchez Shooting & Outdoors 2 in stock

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Where to buy One Horse barrels