Description
There's something special about a suppressed .22, and CMMG went ahead and did the homework for you on this one. This MK4 Banshee pistol ships with CMMG's own Zeroed 22 suppressor already paired to the 4.5 inch barrel, tucked neatly under the free-float EML7 M-LOK handguard so the whole package stays compact and clean looking. No hunting for the right can, no mismatched finishes. The suppressor is anodized bronze to blend with the handguard and receivers, and the FDE furniture and clear anodized buffer tube give it a look you won't see on every rack.
Why the MK4 Banshee Makes a Great Suppressor Host
Rimfire is where suppressors really shine, and this setup takes full advantage. The Zeroed 22 can is machined from aluminum with a stainless steel blast baffle area, weighs in around 5.6 ounces, and is rated for full-auto use, so it will shrug off high round counts of bulk .22 LR without complaint. The 4.5 inch barrel is the shortest CMMG puts on any of their ARs, which keeps overall length manageable even with the can in place. Feed it a 25-round CMMG conversion magazine and you've got one of the most enjoyable range setups money can buy.
Built Like a Real AR, Not a Lookalike
This isn't a plinker dressed up in AR clothing. The lower is forged 7075-T6 aluminum, the upper is billet 6061-T6, and the controls are CMMG's Zeroed suite, including an ambidextrous safety, ambi charging handle, ambi mag catch, and a drop-in trigger. An SB Tactical SBA5 brace and Thrill RTG grip round out the furniture. Everything handles like a standard AR, so it doubles as a low-cost trainer that mirrors your centerfire rifle's manual of arms.
A Multi-Bronze MK4 You Won't Find Everywhere
This multi-bronze colorway is a distributor exclusive, so it's a limited run rather than a catalog staple. Between the head-to-toe bronze anodizing, the included rifle case, three magazines, and CMMG's lifetime quality guarantee, it's a complete suppressed rimfire package that's ready for the range the day it comes home.
Key Specifications
- Manufacturer Part Number: 22A5B28-BRZ
- UPC: 840442508395
- Caliber: .22 LR
- Action: Semi-Auto
- Barrel Length: 4.5" with 1:16 twist, nitride finish
- Capacity: 25+1
- Suppressor: CMMG Zeroed 22, anodized aluminum, full-auto rated
- Suppressor Thread Pattern: 1/2×28
- Suppressor Weight: 5.6 oz
- Finish: Multi-bronze anodized with FDE furniture
- Handguard: CMMG EML7 free-float M-LOK
- Brace: SB Tactical SBA5
- Lower Receiver: Forged 7075-T6 aluminum, Mk4
- Upper Receiver: Billet 6061-T6 aluminum
- Weight: 5 lbs
- Overall Length: 23.5" – 26.25"
What’s Included
- CMMG MK4 Banshee .22 LR pistol
- CMMG Zeroed 22 suppressor (bronze anodized)
- Three FDE 25-round .22 LR magazines
- CMMG rifle case
Frequently Asked Questions
Does the CMMG MK4 22LR come with the suppressor, or is it sold separately?
The Zeroed 22 suppressor is included and comes mounted under the handguard, anodized to match the bronze finish. It's a complete package out of the box, so there's no shopping around for a compatible can afterward. Keep in mind the suppressor portion transfers through your dealer like any other suppressor purchase.
What ammo runs best in a suppressed MK4 Banshee?
For the quietest experience, subsonic .22 LR is the way to go since it stays below the speed of sound and eliminates the supersonic crack. Standard and high velocity loads will still cycle great and benefit from the suppressor, just with a bit more report downrange. Like most semi-auto rimfires, it tends to run most reliably on quality round nose ammo rather than the cheapest bulk stuff.
Is the Zeroed 22 suppressor rated for heavy use?
Yes, it's full-auto rated, which is well beyond what a semi-auto rimfire will ever ask of it. The body is anodized aluminum and the whole can only weighs about 5.6 ounces, so it adds almost nothing to the handling of the pistol. Rimfire is dirty by nature, so plan on periodic cleaning to keep it performing at its best.
Do the magazines work with other AR-15 lowers?
The included 25-round mags are CMMG's .22 LR AR conversion magazines, built in a standard AR-15 magazine footprint. They feature last round bolt hold-open and an impact-resistant polymer body with a removable floorplate for easy cleaning. Spares are widely available and affordable, which makes stocking up for long range days painless.



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