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Questions & Answers
Will this help reduce blowback while suppressed? Slowing down the bcg? Expert Answer

Yes, the CMMG, Inc Action Tuning Sets Small, Medium, and Large weights allow for you to test and find the right weight for your setup. There is no universal answer for which works best. Barrel length, ammo selection, and suppressed or not play a large role in determining your weight.

by Ethan, Gear Expert, September 13, 2022
Will these fit into a standard AR-15 bolt carrier? Expert Answer

No. The CMMG, Inc Action Tuning Set is designed specifically for the CMMG MKG-45 ACP pistol. It allows you to adjust to action to your preference much like changing buffers or changing gas port settings on an adjustable gas block.

by Ethan, Gear Expert, May 25, 2022
Customer Reviews
Helpful Positive Review Essential CMMG Banahee Kit by Wisco Guy, Verified Owner, April 6, 2020
I purchased this tuning kit for my 9mm Banshee after experiencing a few malfunctions with +P ammo. Basically, the radial-delayed bolt was cycling too fast. The three different weights in this kit allows you to fine tune the speed of the bolt specific...
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1/1 found this helpful
Most Recent Reviews What I wanted by THH, Verified Owner, February 10, 2025
Wanted to have these on hand it needed - better to have and not need than need and not have .
Most Recent Reviews An Economical Solution by Satisfied Customers, Verified Owner, November 2, 2024
I purchased this kit to tame by suppressed Banshee. Having three different weights to experiment with this kit cost less than the price of a single buffer. Installation can be a little tricky if you don't have a good set o punches and a hammer.
Most Recent Reviews CMMG tuning kit. by Pauli, December 1, 2021
It was received in just a few days which is nice here in Alaska. The kit itself was just as I thought it would be. I haven’t fired it yet but I don’t anticipate having any problems. Blah blah blah blah. I hope that’s enough letters.
Most Recent Reviews Action Tuning Kit - Used on Banshee by Gun Hater, Verified Owner, September 22, 2021
I used this kit to help tune my CMMG Banshee, not that it needed it out of the factory. I had a need to tune the action after installing a custom trigger. This helped as I didn't want to mess with the proprietary buffer system on the Banshee. Install...
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Read All 5 Reviews
Gun Make: CMMG Gun Model: CMMG MkG-45 Guard Condition: New

Code: 2CM-ABA-45AFF17

MPN: 45AFF17

UPC: 815835018751

List: $24.95
$24.89

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Product Info for CMMG, Inc Action Tuning Set For Mkg45 Guard Series

Whether you want the smoothest shooting carbine possible or are looking for added reliability while shooting hotter loads or suppressors, the CMMG Action Tuning Set For Mkg45 Guard Series gives you the added flexibility to make the MkG/MkGs GUARD perform exactly how you like it. 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.image

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

CMMG, Inc Action Tuning Set For Mkg45 Guard Series Orderable Models

List of Orderable Models

CMMG Radial Delayed Blowback Action Tuning Kit - 45AFF17 , MPN: 45AFF17 , UPC: 815835018751 , Code: 2CM-ABA-45AFF17
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