A 7.5″ barrel length is commonly used for AR-15 pistols and short barreled rifles (SBRs), offering a highly compact and maneuverable setup ideal for close quarters and tactical applications. This barrel length works with pistol-length gas systems, compatible gas blocks, gas tubes, upper receivers, and short hand guards. It is popular for calibers like 5.56 NATO, .223, and 300 Blackout, providing reliable cycling and performance in compact AR-platform builds.

7.5" Barrel Length

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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7″ 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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7.5″ Flat Dark Earth AR-15 Upper 7 inch Keymod Rail No BCG or Charging Handle

4.50 out of 5

Original price was: $359.95.Current price is: $219.95.

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7.5″ 5.56 NATO Stainless Steel Barrel 1×7 Twist

5.00 out of 5

Original price was: $129.95.Current price is: $54.99.

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7.5″ 300 Blackout Upper 7″ Quadrail No BCG or Charging Handle

5.00 out of 5

Original price was: $389.00.Current price is: $195.95.

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7.5″ 1×7 Stainless Steel Barrel Pistol Upper 7 inch Keymod Rail No BCG or Charging Handle

0 out of 5

Original price was: $359.95.Current price is: $179.95.

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7.5″ 300 Blackout Upper 7″ Keymod No BCG or Charging Handle

5.00 out of 5

Original price was: $299.95.Current price is: $195.95.

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7.5″ 300 Blackout AAC Barrel 1×8 Twist

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Original price was: $114.95.Current price is: $44.99.

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300 Blackout Stainless Steel 7.5″ Barrel 1×7

5.00 out of 5

Original price was: $109.95.Current price is: $49.95.

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7.5″ AR-15 Pistol FDE Upper 7 inch M-Lok Rail

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Original price was: $359.95.Current price is: $219.95.

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7.5″ AR-15 Burnt Bronze Pistol Upper 7 inch M-Lok

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Original price was: $359.95.Current price is: $219.95.

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7.5″ Titanium Blue Pistol Upper 7 inch Keymod Rail No BCG or Charging Handle

5.00 out of 5

Original price was: $359.95.Current price is: $219.95.

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7.5″ Zombie Green Pistol Upper 7 inch Keymod Rail No BCG or Charging Handle

0 out of 5

Original price was: $359.95.Current price is: $219.95.

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7.5″ FDE .300 Blackout Upper 7 inch Keymod Rail No BCG or Charging Handle

5.00 out of 5

Original price was: $359.95.Current price is: $219.95.

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7.5″ FDE .300 Blackout Pistol Upper 7 inch M Lok

0 out of 5

Original price was: $359.95.Current price is: $219.95.

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7.5″ AR Upper 7″ House M-LOK Rail – Black

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Original price was: $389.95.Current price is: $169.95.

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7.5″ AR-15 Pistol Zombie Green Upper 7 inch M-Lok

0 out of 5

Original price was: $359.95.Current price is: $219.95.

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Ghost Firearms Vital 7.5″ 5.56 NATO Pistol Upper (No BCG, No Charging Handle) – Black

0 out of 5

$309.95

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7.5″ AR-15 Pistol Titanium Blue Upper 7 inch M-Lok

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Original price was: $359.95.Current price is: $219.95.

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7.5″ AR-15 Cerakote Pistol Upper 7 inch Keymod Rail No BCG or Charging Handle

0 out of 5

Original price was: $329.95.Current price is: $219.95.

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7.5″ Tungsten Grey AR-15 Pistol Upper 7 inch M-Lok

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Original price was: $359.95.Current price is: $219.95.

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7.5″ .300 Blackout Titanium Blue Pistol Upper 7 inch Keymod Rail No BCG or Charging Handle

0 out of 5

Original price was: $359.95.Current price is: $219.95.

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7.5″ AR-15 ODG Pistol Upper 7 inch M-Lok Rail

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Original price was: $359.95.Current price is: $219.95.

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7.5″ Purple AR-15 Upper 7 inch Keymod Rail No BCG or Charging Handle

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Original price was: $359.95.Current price is: $219.95.

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