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Infinite Product Solutions 4in Barrel Extension w/ Free Shipping — 2 models

Special offer available for this product. Click here to see!
Infinite Product Solutions 4in Barrel Extension, Black, 5/8x24 - .30 Carbine/.308 Winchester/.300 AAC Blac, 5824-EXT-4IN-BS
Infinite Product Solutions 4in Barrel Extension, Black, 1/2x28 - .223 Remington/5.56x45mm NATO/9mm Luger/., 1228-EXT-4IN-BS
Infinite Product Solutions 4in Barrel Extension, Black, 5/8x24 - .30 Carbine/.308 Winchester/.300 AAC Blac, 5824-EXT-4IN-BS
1 of 2 images
Infinite Product Solutions 4in Barrel Extension, Black, 5/8x24 - .30 Carbine/.308 Winchester/.300 AAC Blac, 5824-EXT-4IN-BS
Infinite Product Solutions 4in Barrel Extension, Black, 1/2x28 - .223 Remington/5.56x45mm NATO/9mm Luger/., 1228-EXT-4IN-BS
2 of 2 images
Infinite Product Solutions 4in Barrel Extension, Black, 1/2x28 - .223 Remington/5.56x45mm NATO/9mm Luger/., 1228-EXT-4IN-BS

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Questions & Answers
Customer Reviews
Most Recent Reviews
4 inch barrel extension by your friendly neighbor, Verified Owner, June 22, 2026
The inside diameter is a lot bigger than the barrels diameter. This is my fault for not reading the entire description. However, I was a little disappointed due to the simple fact I could fit a 9 mm round through it if I wanted to, cannot use with a ...
Read More...
Most Recent Reviews
4 inch barrel extension by your friendly neighbor, Verified Owner, June 22, 2026
The inside diameter is a lot bigger than the barrels diameter. This is my fault for not reading the entire description. However, I was a little disappointed due to the simple fact I could fit a 9 mm round through it if I wanted to, cannot use with a ...
Read More...
Most Recent Reviews
4 inch barrel extension by your friendly neighbor, Verified Owner, June 22, 2026
The inside diameter is a lot bigger than the barrels diameter. This is my fault for not reading the entire description. However, I was a little disappointed due to the simple fact I could fit a 9 mm round through it if I wanted to, cannot use with a ...
Read More...
Read All 3 Reviews
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Product Info for Infinite Product Solutions 4in Barrel Extension

Step up your game an extra 4 inches with the Infinite brand 4 Inch Precision Barrel Extension designed to clear handguards or provided needed length by adding 4 extra inches to your barrel length while maintaining exceptional accuracy and performance. Precision made and accurately engineered, this extension is available in nitrided 17-4 PH H1150 stainless steel, black oxide steel, or black phosphate steel, ensuring durability and a refined look. The divot on the nitrided models makes pin and weld applications easy, ensuring legal barrel length compliance. This extension meets strict quality standards, is corrosion and water-resistant, and accommodates rails and other barrel accessories seamlessly.image

Specifications for Infinite Product Solutions 4in Barrel Extension:

Manufacturer: Infinite Product Solutions
Color: Black
Fabric/Material: Stainless Steel
Gun Make: AR Platform, Ruger
Length: 4.625 in
Width: 0.75 in
Height: 0.75 in
Gun Type: Rifle

Features of Infinite Product Solutions 4in Barrel Extension

  • Adds 4 inches to the shooter's barrel
  • Accurately engineered and manufactured
  • Divot on nitrided models for easy pin and weld applications for legal barrel length additions
  • Easy to accommodate rails and other barrel accessories
  • Passes strict quality standards
  • Corrosion and water resistant

Package Contents:

  • Infinite Product Solutions 4in Barrel Extension

What firearm models does the manufacturer say Infinite Product Solutions 4in Barrel Extension is compatible with?

The manufacturer suggests that Infinite Product Solutions 4in Barrel Extension is compatible with AR-10, AR-15, Ruger 10/22

Infinite Product Solutions 4in Barrel Extension Orderable Models

List of Orderable Models

  • Infinite Product Solutions 4in Barrel Extension, Black, 5/8x24 - .30 Carbine/.308 Winchester/.300 AAC Blac, 5824-EXT-4IN-BS , MPN: 5824-EXT-4IN-BS , UPC: 710579695902 , Code: 67E-BEX-IP58BE-5824-EXT-4IN-BS
  • Infinite Product Solutions 4in Barrel Extension, Black, 1/2x28 - .223 Remington/5.56x45mm NATO/9mm Luger/., 1228-EXT-4IN-BS , MPN: 1228-EXT-4IN-BS , UPC: 710579695896 , Code: 67E-BEX-IP58BE-1228-EXT-4IN-BS
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Last updated 2026-07-07 UTC.