Fits and works with
- Caliber
- 9mm · Shop matching ammo
- Bolt
- 9mm · Bolt carrier groups
Specifications
- Manufacturer
- CMMG
Compatibility
- Caliber
- 9mm
- Platform
- AR-9
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| MidwayUSA Best price | $23.99checked Nov 14, 2026 | In stock | Buy at MidwayUSA | |
| OpticsPlanet | $33.39Salechecked Nov 14, 2026 | In stock | Buy at OpticsPlanet | |
| GrabAGun | $22.29Salechecked Nov 14, 2026 | Check store | Buy at GrabAGun | |
| CMMG | $24.95checked Nov 14, 2026 | Check store | Buy at CMMG |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $23.99 at MidwayUSA. Dashed line = out of stock. Tracking since Nov 12, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| CMMG | $24.95 | $24.95 | $24.95 |
| GrabAGun | $22.29 | $22.29 | $22.29 |
| MidwayUSA | $23.99 | $23.99 | $23.99 |
| OpticsPlanet | $33.39 | $33.39 | $33.39 |
Since Nov 12, 2026.
About this part
The CMMG Radial Delayed Blowback Action Tuning Kit is a 9mm bolt carrier group from CMMG. It's sold by 4 stores (2 in stock), from $22.29 to $33.39. The lowest in-stock price in the last 30 days was $23.99 at MidwayUSA.
From the manufacturer
CMMG Radial Delayed Blowback Action Tuning Kit . The optional Action Tuning Kit allows you to adjust the action to your preference much like changing buffers or changing gas port settings on an adjustable gas block. Includes 1 oz. weight 2 oz. weight 3.4 oz. weight (standard 9mm) and 3 - 0.250x0.625-inch roll pins. Specifications for CMMG Inc Action Tuning Set For Mkg45 Guard Series: Manufacturer: CMMG Gun Make: CMMG Gun Model: CMMG MkG-45 Guard Condition: New Package Contents: CMMG Inc Action Tuning Set For Mkg45 Guard Series The Cmmg Inc Cmmg Action Tuning Set For Mkg45 Guard Series is a quality addition to the CMMG lineup. For more great deals on Bolt Carrier Groups by CMMG please browse our CMMG Inc Gun Parts page. What firearm models does the manufacturer say CMMG Inc Action Tuning Set For Mkg45 Guard Series is compatible with? The manufacturer suggests that CMMG Inc Action Tuning Set For Mkg45 Guard Series is compatible with CMMG MkG-45 GuardCmmg Inc Cmmg Action Tuning Set For Mkg45 Guard Series
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