Zenitco B-25U 45-Degree Grip Adapter - Picatinny Mount for Classic RK Grips

Brand: Zenitco
Product Code: Zen-B-25U
Availability: In Stock
SKU: Zen-B-25U
MPN: Zen-B-25U

  • $59.00


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Zenitco B-25U 45° Grip Adapter

Genuine Zenitco | 45° Picatinny adapter for Classic RK front grips | Black / Desert
In short: the Zenitco B-25U is a CNC-machined D16T aluminum adapter that mounts a Classic-line RK front grip (RK-0, RK-1, RK-2, RK-4) on any Picatinny rail at a 45° angle, for a more natural, ergonomic hand position.

Overview

The B-25U is a compact adapter that lets you run a Classic-line RK front grip at a 45-degree angle instead of straight down. The canted angle puts the wrist in a more natural position for a thumb-forward hold, which many shooters find faster and less tiring than a vertical grip.

It clamps onto any Picatinny rail with a clamp bar and two screws, so it works on handguards, forends and rail sections alike. The body is CNC-machined from D16T aluminum and coated, so it stays light (about 45 g) and holds up across a wide temperature range.

What's in the Box
B-25U Grip Adapter Basex 1
User Manualx 1
Compatibility
The B-25U mounts a Classic-line RK front grip on any Picatinny rail at 45°. It fits these grips:
Classic RK grips
Note: for the Classic RK line (T-lug mount) - not compatible with Basis "L" grips.

Key Advantages

  • 45° grip angle - more natural, ergonomic hand position
  • Fits Classic RK grips - RK-0, RK-1, RK-2, RK-4
  • Universal Picatinny mount - clamp bar + two screws
  • CNC-machined D16T aluminum, coated - strong and light (~45 g)
  • Black or Desert finish

Technical Specifications

BrandZenitco
Type45° front-grip adapter (Picatinny)
MaterialD16T aluminum alloy (CNC-milled), coated
FunctionMounts a Classic RK front grip at 45°
InterfacePicatinny (clamp bar + 2 screws)
Fits gripsRK-0, RK-1, RK-2, RK-4 (Classic line)
Weight45 ± 2 g
Dimensions (L x W x H)47 x 36 x 15 mm (± 2 mm)
Operating temperature-50 to +50 °C
ColorsBlack / Desert
WarrantyManufacturer warranty (storage & service life): 60 months
MPNZen-B-25U
ConditionNew

Frequently Asked Questions

Which grips fit the B-25U?
Classic-line RK grips: RK-0, RK-1, RK-2 and RK-4 (T-lug mount). It is not for Basis "L" grips.
What angle does it set?
It holds the grip at 45 degrees from vertical - a canted, thumb-forward position.
Is a grip included?
No - the B-25U is the adapter only. The RK grip is sold separately.
How does the B-25U mount?
It clamps onto a Picatinny rail with a cross-bolt plate and two screws. The grip then seats in the T-slot of the adapter body and is locked with a single screw, with a set screw fixing the final position.
How much does it weigh and how large is it?
45 g (plus or minus 2 g), with overall dimensions of 47 x 36 x 15 mm (plus or minus 2 mm). It is milled from D16T aluminum and finished in Black or Desert.
Is this a genuine Zenitco part?
Yes - an original Zenitco part with guaranteed US delivery.
Genuine Zenitco B-25U - ready to ship.
In Stock | Guaranteed US Delivery | Genuine Zenitco Part
Genuine Zenitco part, shipped from the USA.
In Stock | Guaranteed US Delivery | Genuine Zenitco Part

Zenitco Specs

Type Single 45-degree grip adapter

General

Brand Zenitco
Manufacturer Part Number (MPN) B-25U
Condition New
Intended Use Range sports / IPSC / PCC / Training
Material D16T aluminum alloy (CNC-milled), coated
Color / Finish Black / Desert
Weight 45 g (+/- 2 g)
Dimensions (L x W x H) mm 47 x 36 x 15 mm (+/- 2 mm)
Operating Temperature minus 50 to plus 50 C

Mounting & Rails

Mounting Picatinny (clamp bar + 2 screws)
Function 45° front-grip adapter (Picatinny)
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Zenitco, B-25U, Grip Adapter, 45 Degree, Angled Grip, Picatinny Mount, RK Grips, CNC Aluminum, Bazalet