3/8-24 RH to 1/2-28 RH Thread Adapter

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  • 3/8-24 RH to 1/2-28 RH Thread Adapter
  • 3/8-24 RH to 1/2-28 RH Thread Adapter
MSRP: $29.99
— You save $10.00
Frequently bought together:


Extend your internal 3/8"-24 RH barrel threads to 1/2-28 RH for mounting standard .22 accessories such as flash hiders, Muzzle Devices, supressors, or cleaning adapters. This high quality adapter features a durable black oxide steel construction and comes with a thread protector. This thread adapter easily replaces the factory barrel nut on the end of your barrel.


Inner Threads - 3/8-24 RH

Outer Threads - 1/2-28 RH

Material - Black Oxide Steel

Fits - Kel-Tec PMR-30 (.22 LR)

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Warranty Information

Lifetime Warranty
We are confident in the quality of our products and our stellar customer support, which is why most of our products are backed with an unconditional Lifetime Warranty. We guarantee ALL of our products against defects in materials or workmanship for the life of the product. We will repair or replace defective products free of charge. You need only ship the defective item back to us with a description of the issue, and our fast-acting service team will solve the problem or replace your product to ensure that you are 100% satisfied – NO MATTER WHAT!

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Additional Information

Black Steel
Internal Threads:
3/8-24 RH
External Threads:
1/2-28 RH
Gun Type:
MP 22 (Compact)
Gun Type:
Kel-Tec PMR-30
Caliber Size:
.22 WMR
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2 Reviews

  • 5

    Exactly what I needed

    Posted by Damon Hillyer on Dec 1st 2023

    Fit perfect on my Sig p322

  • 5

    Thread adapter

    Posted by Jake Stafford on Nov 1st 2023

    Just what I needed! Good product works as intended. Good company fast shipping fair price.

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