Zenitco B-13U Receiver Mount Kit - Quick-Detach 184 mm Picatinny Base for the NSV-12.7 Utes Platform (Black & Desert)
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Zenitco B-13U Receiver Mount Kit
Genuine Zenitco | Quick-detach Picatinny base for the NSV-12.7 Utes platform | Black & Desert
In short: the Zenitco B-13U is a three-part assembly that forms a full-size Picatinny rail above the receiver of the NSV-12.7 Utes platform, plus a mini Picatinny on the side. It ships as a kit: the B-13K v2.0 mount, the B-13U base and the B-2L side mount.
Overview
The B-13U base bolts to the threaded points on the left side of the receiver (as seen by the operator) and forms a Picatinny rail there. The B-13K v2.0 mount attaches to that base through a quick-detach interface, so the whole optic stack can be removed and refitted as one unit. The B-2L side mount is secured to the B-13K v2.0 with two screws and gives a mini Picatinny for a laser device.
All three parts - B-13K v2.0, B-13U base and B-2L - are one-piece CNC-milled components. The assembly weighs 615 g, measures 184 x 103 x 93 mm, and the Picatinny rail on the B-13K v2.0 is 184 mm long, which is enough to carry a single sight or a combination of a day optic and a clip-on. Declared operating range is -50 C to +50 C with a 60-month manufacturer warranty.
What's in the Box
| ✓B-13K v2.0 mount | x 1 |
| ✓B-13U base | x 1 |
| ✓B-2L side mount with screws (pre-installed on the B-13K) | x 1 |
| ✓Mounting screws | x 4 |
| ✓Hex key | x 1 |
| ✓User Manual | x 1 |
Key Advantages
- Forms a full-size 184 mm Picatinny rail above the receiver
- Quick-detach interface - the sight stack comes off and back on as one unit
- Mini Picatinny on the side for a laser device, via the included B-2L
- One-piece CNC-milled components throughout
- Available in Black and Desert; -50 C to +50 C, 60-month warranty
Technical Specifications
| Brand | Zenitco |
| Type | Receiver mount kit |
| Material | One-piece CNC-milled components |
| Dimensions | 184 x 103 x 93 mm (+5 mm) |
| Rail Length | 184 mm (+/- 5 mm) |
| Weight | 615 g (+/- 15 g) |
| Operating Temperature | -50 C to +50 C |
| Warranty | 60 months |
| Colors | Black, Desert |
| MPN | Zen-B-13U |
| Condition | New |
Frequently Asked Questions
What exactly is in the B-13U kit?
Three machined parts: the B-13U base, the B-13K v2.0 quick-detach mount and the B-2L side mount, plus four mounting screws, a hex key and the manual.
Can the mount be removed without losing zero?
The B-13K v2.0 sits on the base through a quick-detach interface designed for repeatable refitting; Zenitco publishes no numeric return-to-zero figure, so we do not quote one.
Is this a genuine Zenitco part?
Yes - it is an original Zenitco B-13U with guaranteed US delivery.
Genuine Zenitco B-13U Receiver Mount Kit.
Compatibility
| Compatible platforms / hosts | NSV-12.7 Utes receiver with the documented left-side threaded mounting points |
|---|---|
| Required interface / configuration | documented NSV-12.7 Utes threaded points; complete B-13K V2.0, B-13U base and B-2L side-mount assembly |
| Resulting interface / function | 184 mm upper Picatinny base plus a compact side Picatinny section |
| Exclusions / limitations | other receivers and installations lacking the documented threaded pattern |
What's in the Box
Zenitco B-13U Receiver Mount Kit - Quick-Detach 184 mm Picatinny Base for the NSV-12.7 Utes Platform (Black & Desert)x 1
Frequently Asked Questions
Which platforms or components are compatible?
NSV-12.7 Utes receiver with the documented left-side threaded mounting points
General
Brand
Zenitco
Manufacturer Part Number (MPN)
Zen-B-13U
Condition
New
Intended Use
Mounting sighting devices above the receiver of the NSV-12.7 Utes platform
Material
One-piece CNC-milled components
Color / Finish
Black; Desert
Weight
615 g (+/- 15 g)
Dimensions (L x W x H) mm
184 x 103 x 93 mm (+5 mm)
Operating Temperature
-50 C to +50 C
Mounting & Rails
Mounting method
Left-side threaded points of the NSV-12.7 Utes receiver; forms a 184 mm Picatinny rail on top and a mini Picatinny on the side
Function
Quick-detach Picatinny base assembly (B-13K v2.0 + B-13U base + B-2L side mount)
Care & Chemicals
Compatible platforms / hosts
NSV-12.7 Utes receiver with the documented left-side threaded mounting points
Required interface / configuration
documented NSV-12.7 Utes threaded points; complete B-13K V2.0, B-13U base and B-2L side-mount assembly
Resulting interface / function
184 mm upper Picatinny base plus a compact side Picatinny section
Exclusions / limitations
other receivers and installations lacking the documented threaded pattern
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