HM Defense 16MBUP556L MonoBloc Upper 223 Remk 5.56x45mm NATO 16" Black...
Shop HM Defense ProductsThe HM Defense 16MBUP556L MonoBloc Upper is engineered for superior performance and accuracy. Featuring a 16" 4150 Chromoly barrel with an integra...
⚠️ FFL Required
This item requires shipment to a Federal Firearms License (FFL) dealer. You will need to select an FFL dealer during checkout.
HM Defense 16MBUP556L MonoBloc Upper - 16" 5.56 NATO AR-15 Upper Receiver
The HM Defense 16MBUP556L MonoBloc Upper is engineered for superior performance and accuracy. Featuring a 16" 4150 Chromoly barrel with an integrally machined patented gas block, this upper receiver ensures reliable operation and enhanced barrel harmonics. The 15" M-LOK free-float handguard provides versatility for accessories, while the durable 7075-T6 aluminum construction offers strength and longevity. Ideal for AR-15 enthusiasts seeking a high-quality, optic-ready upper.
Specs:
Technical Specifications
| Caliber | 223 Remington |
|---|---|
| Capacity | 16 |
| Barrel Length | 16.00" |
| Action Type | Complete |
| Finish | Anodized |
| Weight | 5.00 oz |
| Trigger Type | 4150 Chrome Moly |
| Twist Rate | 15" M-LOK Free-Float |
| Manufacturer | HM Defense |
| Model | 16MBUP556L |
| SKU | S110660 |
| UPC | 854164007234 |
| Condition | New in Box |
| Availability | In Stock |
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Shipping & Returns
⚠️ FFL Transfer Required
This firearm must be shipped to a Federal Firearms License (FFL) dealer. You will select your FFL dealer during checkout. We ship to your chosen FFL dealer, and you complete the background check and pickup there.
Shipping Information
- Orders typically process within 1-2 business days
- Firearms ship via FedEx or UPS with signature required
- Tracking information provided for all orders
- Shipping costs calculated at checkout based on weight and destination
- Total delivery time to FFL: typically 3-5 business days
Return Policy
- Firearms must be returned unfired and in original packaging within 3 days of FFL transfer
- 15% restocking fee applies to all firearm returns
- Contact us for return authorization before shipping items back
- Original shipping costs are non-refundable
Questions?
Contact us at 502-272-4859 or submit a question for assistance with shipping or returns.
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