1/2″ x 28 is a common barrel thread pattern used primarily on AR-15 and other .223/5.56 caliber barrels. This threading allows for the attachment of muzzle devices such as flash hiders, compensators, muzzle brakes, and suppressors. It is compatible with most standard AR-15 barrels. As well as some 9mm barrels, and widely used for custom builds and upgrades, providing versatility and easy installation of various muzzle accessories.

1/2" x 28 Barrel Thread

20″ 5.56 NATO AR-15 Complete Upper – 15″ M-LOK, 1:8 Twist – Black

4.64 out of 5

Original price was: $329.00.Current price is: $269.95.

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AR-15 A2 Flash Hider with Crush Washer

0 out of 5

Original price was: $12.50.Current price is: $8.75.

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7.5″ .223 Wylde AR-15 Pistol Upper – 7″ Keymod, 1:7 Twist – Black

4.67 out of 5

Original price was: $359.95.Current price is: $195.95.

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10.5″ 5.56 AR-15 Pistol Upper – 10″ Quad Rail, 1:7 Twist – Black

5.00 out of 5

Original price was: $369.95.Current price is: $199.95.

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16″ 5.56 AR-15 Complete Upper – Nitride Barrel 15″ M-LOK, 1:8 Twist – Black

5.00 out of 5

Original price was: $389.95.Current price is: $204.95.

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16″ 5.56 NATO Barrel 1×7 Twist | Daytona Tactical

5.00 out of 5

Original price was: $129.95.Current price is: $74.95.

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10.5 inch Stainless Steel 5.56 Nato Barrel

4.78 out of 5

Original price was: $119.00.Current price is: $94.99.

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16″ 5.56 AR-15 Complete Upper – 15″ Keymod, 1:7 Twist, FDE – BCG & CH Included

4.83 out of 5

Original price was: $359.99.Current price is: $306.95.

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10.5″ .223 Wylde AR-15 Pistol Upper – 10″ Keymod, 1:9 Twist – Black

5.00 out of 5

Original price was: $299.95.Current price is: $199.95.

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16″ 5.56 NATO Barrel 1×8 Twist | Daytona Tactical

5.00 out of 5

Original price was: $129.95.Current price is: $74.95.

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7.5″ AR Upper 7 inch M-LOK Rail No BCG or Charging Handle

4.83 out of 5

Original price was: $389.95.Current price is: $195.95.

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16″ A2 Sight Tower M4 1×7 Carbine Upper No BCG or Charging Handle

5.00 out of 5

Original price was: $329.95.Current price is: $265.95.

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16″ Magpul Rifle Kit 15″ Keymod Assembled WITH 80% Lower

5.00 out of 5

Original price was: $579.95.Current price is: $459.95.

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5.56 Nato 10.5″ Barrel

5.00 out of 5

Original price was: $124.00.Current price is: $59.95.

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Tiger Rock AR-15 Barrett Style Muzzle Brake – 1/2×28

5.00 out of 5

$28.95

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16″ 1×7 Carbine 15 inch M-LOK Rail No BCG or Charging Handle

4.67 out of 5

Original price was: $389.95.Current price is: $194.95.

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AR-15 Magpul Rifle Kit 15″ M-lok Upper Assembled WITH 80% Lower

5.00 out of 5

Original price was: $579.95.Current price is: $459.95.

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16″ 1×7 Carbine 12 inch M-LOK Rail No BCG or Charging Handle

0 out of 5

Original price was: $389.95.Current price is: $194.95.

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KAK Industry AR-15 5.56 Micro Slimline Flash Can

0 out of 5

Original price was: $24.95.Current price is: $19.95.

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16″ 5.56 AR-15 Magpul Moe M-Lok Carbine Upper No BCG or Charging handle

5.00 out of 5

Original price was: $319.95.Current price is: $209.95.

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16″ 1×7 Carbine 15 inch Keymod Rail No BCG or Charging Handle

5.00 out of 5

Original price was: $389.95.Current price is: $204.95.

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10.5″ AR Upper 10 inch M-LOK Rail No BCG or Charging Handle

5.00 out of 5

Original price was: $389.95.Current price is: $199.95.

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16″ 1×8 Carbine 12 inch M-LOK Rail No BCG or Charging Handle

5.00 out of 5

Original price was: $389.95.Current price is: $204.95.

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10.5″ AR-15 Flat Dark Earth Upper 10 inch AR15 Keymod Rail with BCG

4.50 out of 5

Original price was: $329.00.Current price is: $286.99.

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