Zenitco B-33 AK-pattern Receiver Cover Rail - CNC Aluminum Picatinny Top Cover for AK-pattern

Brand: Zenitco
Product Code: Zen-B-33AKSU
Availability: In Stock
SKU: Zen-B-33AKSU
MPN: Zen-B-33AKSU

  • $699.00


Available Options



Frequently Asked Questions

Which carbines does the B-33 AK-pattern fit?
The AK-pattern and carbines built on the same receiver with the standard hinged receiver cover.
Does it keep the iron sights usable?
Yes. A rear sight is integrated into the rail and works with the standard front sight.
Will my optic hold zero after cleaning?
Yes. The cover indexes on fixed points and is locked by the reinforced recoil spring stop, so the optic returns to the same position.
What is included besides the cover?
The rear stop with its guide, thread locker, four set screws, two locating balls and three hex keys.
What is the cover made of?
A single billet of D16T aluminum alloy, milled and finished in black.
How much does it weigh?
179 g plus or minus 10 g.

Zenitco B-33 AK-pattern Receiver Cover Rail - Picatinny Top Cover for AK-pattern

CNC-Machined D16T Aluminum | Integrated Picatinny Rail | Built-In Rear Sight | Uses Factory Front Sight | 179 g

The Zenitco B-33 AK-pattern is a CNC-milled D16T aluminum receiver cover with an integrated Picatinny rail over the receiver, designed for the AK-pattern sporting platform and carbines built on it. It lets you mount a range of optics and aiming devices above the receiver.

It includes a built-in rear sight that still works with the factory front sight, so you keep usable iron sights while adding a full-length optics rail. The kit ships with a recoil-spring guide assembly and all mounting hardware.

Key Advantages

  • Integrated Picatinny over the receiver - mount optics and accessories
  • Built-in rear sight - works with the factory front sight
  • Purpose-made for AK-pattern - direct fit, no separate handguard required
  • Includes recoil-spring guide - complete kit
  • CNC-machined D16T aluminum - strong and durable

Technical Specifications

Material D16T Aluminum Alloy (CNC-milled), coated
Product Code B-33 AK-pattern
Weight 179 +/- 10 g
Rail Type Integrated Picatinny over the receiver
Sights Built-in rear sight; uses factory front sight
Mounting Setup screws (M6x6 wide + M4x8 narrow) with locating balls and thread locker
Operating Temperature minus 50 to plus 50 C
Warranty 60 months

Compatibility

For the AK-pattern sporting platform and carbines built on it. See the compatibility filter on this page to confirm fitment for your specific platform.

What's Included

  • (1) Zenitco B-33 AK-pattern Receiver Cover Rail
  • (1) Recoil-Spring Guide Assembly (rear stop + guide)
  • (1) Thread Locker
  • (2) M6x6 Setup Screws (wide)
  • (2) M4x8 Setup Screws (narrow)
  • (2) Locating Balls
  • (3) Hex Keys

FAQ

Q: What platform is this for?
A: The AK-pattern sporting platform and carbines built on it.

Q: Can I still use iron sights?
A: Yes - it has a built-in rear sight that works with the factory front sight.

Q: Does it need a separate handguard?
A: No - it installs directly onto the AK-pattern receiver.

Q: How does shipping work?
A: US orders are fulfilled and delivered through our partner's domestic US logistics network. Delivery is not express, but it is reliable and fully guaranteed.

Optics-Ready AK-pattern Top Cover

In Stock | Guaranteed US Delivery | 60-Month Warranty

In short: A milled D16T aluminum receiver cover for AK-pattern carbines that forms a full-length Picatinny rail over the receiver and keeps the standard front sight usable.

Overview

The B-33 AK-pattern replaces the standard stamped receiver cover of the AK-pattern and of carbines built on that receiver. It is machined from a single billet of D16T aluminum alloy, so it is far more rigid than the part it replaces.

The cover forms a Picatinny rail directly above the receiver, giving a mounting line for red dot sights, magnifiers, thermal and night devices. An integrated rear sight is cut into the rail, so the standard front sight remains usable as a backup.

A reinforced rear stop for the recoil spring mechanism ships with the kit and locks the cover in place. Because the cover indexes on the same points every time, a mounted optic returns to zero after the carbine is opened for cleaning.

What's in the Box

Zenitco B-33 AK-pattern Receiver Cover Railx 1
Rear Stop for the Recoil Spring Mechanism with Guidex 1
Thread Lockerx 1
M6x6 Set Screw (wide)x 2
M4x8 Set Screw (narrow)x 2
Locating Ballx 2
Hex Keyx 3
Related products: B-13 Rail by Zenitco, B-13K Rail by Zenitco, B-13N Rail by Zenitco
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Zenitco Specs

Type Receiver cover rail

General

Brand Zenitco
Manufacturer Part Number (MPN) B-33AKSU
Condition New
Intended Use Range sports / IPSC / PCC / Training
Material D16T aluminum alloy (CNC-milled), coated
Color / Finish Black, Desert
Weight 179 g (+/- 10 g)
Operating Temperature minus 50 to plus 50 C

Mounting & Rails

Mounting
Rail Type Integrated Picatinny over the receiver
Function Optic mounting platform over the receiver
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Zenitco, B-33 AK-pattern, Receiver Cover, Top Cover Rail, Picatinny, AK-pattern, Built-In Sight, CNC Aluminum, Optic Mount, Bazalet