CMMG MK57 UPPER 5.7 X 28 16.1″ BARREL
| Manufacturer | CMMG |
|---|---|
| Model | MK57 Upper |
| Type | Uppers |
| Stock | In stock |
Original price was: $838.99.$755.09Current price is: $755.09.
Buy NowMK57 Upper Features
CMMG’s RESOLUTE lineup is engineered with purpose for those who refuse to compromise on quality. This RESOLUTE upper comes with a 16-inch barrel and is designed for balance, accuracy and maneuverability.
MK57 Upper Specifications
- Model:Mk57
- Type:Complete Upper
- Caliber:5.7X28MM
- Barrel Length:16.1″
- Color:Black
- Fit:AR Rifles
- 16″ Barrel
| Barrel Length | 16.1 |
|---|---|
| Caliber | 5.7 X 28 |
| Condition | New in Box |
| Finish Per Color | Black |
| Manufacturer | CMMG |
| Manufacturer Part Number | 57B3FA4 |
| Model | MK57 Upper |
| Type | Uppers |
| UPC | 816422029662 |
Frequently Asked Questions – CMMG MK57 UPPER 5.7 X 28 16.1" BARREL
- How fast does this ship?
- Ships in 1‑3 business days to your licensed D.C. FFL dealer after purchase and registration.
- Do I need registration?
- Yes. DC requires firearm registration, including a mandatory 10‑day waiting period after purchase approval from MPD before pickup. Handguns require registration, magazines <=10 rounds.
- Is this legal in D.C.?
- Yes, provided it complies with D.C. law (registered, no assault features, magazine ≤10 rounds).
- Is the CMMG MK57 UPPER 5.7 X 28 16.1" BARREL suitable for me?
- This CMMG MK57 UPPER 5.7 X 28 16.1" BARREL is popular for uses like cmmg.
- Popular searches by customers
| Model | |
|---|---|
| Type | Uppers |
| UPC | 816422029662 |
| Stock | In Stock |
| Manufacturer | |
| Brand | CMMG |
Shipping Policy – Washington, D.C.
Orders ship within 1‑3 business days to your selected licensed FFL dealer in D.C. Registration must be in process and CDP confirmed.
Return Policy
Non-firearm items returnable within 14 days if unused and in original packaging. Firearms sales are final once registered and possession occurs per D.C. code.
Consult our Return Policy page for more details.
