Radial Delayed Blowback Mk 9 Lower Receiver Sub-Assembly 9mm Black
CMMG · Lower Receiver
No ratings yetBest price
$171.99at Brownells
Out of stock checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $171.99checked Oct 1, 2026 | Out of stock | Buy at Brownells |
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
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $171.99 | $171.99 | $171.99 |
Since Sep 28, 2026.
About this part
The Radial Delayed Blowback Mk 9 Lower Receiver Sub-Assembly 9mm Black is an AR-9 lower receiver from CMMG. One store lists it, Brownells at $171.99.
Fits and works with
- Caliber
- 9mm · Shop matching ammo
Specifications
- Manufacturer
- CMMG
- Color
- Black
- Platform
- AR-9
From the manufacturer
As CMMG's oldest 9mm platform, the Mk9 is continuing to go through changes to become even better than before. Introducing, the new and improved Mk9, now utilizing CMMG's patented Radial Delayed Blowback(TM) operating system. Radial Delayed Blowback guarantees less felt recoil for the shooter, offering a more enjoyable shooting experience. CMMG's Mk9 platform is designed to use Colt SMG-style magazines and is offered in both BANSHEE and RESOLUTE configurations. INSTALLED COMPONENTS: Feed Ramp, Bolt Catch, Mag Catch CMMG has made a small modification to 9mm barrels in order for them to be compatible with Mk9 lower receivers. This modification Mfg: Cmmg
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