---
title: What is the thread pitch on my CMMG's threaded barrel?
description: For all 2022 and up CMMG models (firearms and uppers with our EML handguard) the table below shows how the barrel for each caliber is threaded. .22 LR - 1/2x28" 22 ARC - 1/2x28" 300 BLK - 5/8x24" 308
---

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# What is the thread pitch on my CMMG's threaded barrel?

For all 2022 and up CMMG models (firearms and uppers with our EML handguard) the table below shows how the barrel for each caliber is threaded.

.22 LR - 1/2x28"

22 ARC - 1/2x28"

300 BLK - 5/8x24"

308 Win - 5/8x24"

350 Legend - 5/8x24"

.40 S&W - 0.578x28"

.45 ACP - 0.578x28"

4.6x30mm - 1/2x28"

5.56mm - 1/2x28"

5.7x28mm - 1/2x28"

6mm ARC - 5/8x24"

6.5 Creedmoor - 5/8x24"

6.5 Grendel - 5/8x24"

7.62x39mm - 5/8x24"

8.6 BLK - 5/8x24"

9mm - 1/2x28"

10mm - 0.578x28"

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