CMMG 55CA9D7 Receiver Extension MK4 Black Steel AR Platform
$34.57
Heavy-duty steel receiver extension (buffer tube) built for AR-platform rifles that demand reliability in the field. CMMG’s MK4 design handles the punishment of hunting, tactical shooting, and competition use without compromise.
In stock
Description
The CMMG MK4 receiver extension is machined from quality steel to give your AR-platform rifle the solid foundation it needs for serious use. This buffer tube houses your recoil spring and bolt carrier group while maintaining the tight tolerances that keep your rifle running clean through countless rounds. Whether you’re building a hunting rig, a target gun, or something in between, the MK4’s robust construction ensures you won’t have reliability issues where it counts. Drop-in compatible with standard AR platforms, it’s a no-fuss upgrade or replacement component that works with any MK4-compatible stock.
Additional information
| UPC | 816422020676 |
|---|---|
| Mfr Item Number | 55CA9D7 |
| Manufacturer |
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