7 Crosman 1377 Wire Stock of 2026 for Steady Carbine Aim

1

Crosman 1377 Custom Shoulder Stock

View on Amazon

• ARS Mark

  ARS Mark is a ranking system developed by bestairriflescopes.com. ARS Mark has no relationship or impact from any manufacturers or sales agent websites. Learn more

  9.2
• Brand
  Crosman

Key specs2

Frame Attachment

Bolts directly onto the Crosman 1377 grip frame in place of the standard pistol grip panels for a stable carbine conversion.

Stock Profile

Skeleton polymer carbine stock

Pros & cons32

Pros

• Direct factory fit for the Crosman 1377 frame without requiring custom drilling
• Converts the pneumatic pistol into a stable shoulder-mounted carbine platform
• Replaces the factory grip panels to eliminate shooting wobble and steady aim

Cons

• Built as a molded skeleton polymer stock rather than a classic minimalist wire frame
• Grip screw torque must be checked carefully to avoid stripping threads in the grip frame

2

Picatinny Red Dot Mount Rail for Crosman 2240 1322 1377

View on Amazon

• ARS Mark

  ARS Mark is a ranking system developed by bestairriflescopes.com. ARS Mark has no relationship or impact from any manufacturers or sales agent websites. Learn more

  -
• Brand
  Takteq

Key specs2

Optic Interface

Picatinny rail replacement

Mounting Requirement

Installs directly into the rear sight slot without requiring an aftermarket steel breech upgrade.

Pros & cons32

Pros

• Replaces the factory rear sight to mount optics without buying an upgraded steel breech
• Adds a standard Picatinny rail section suited for compact red dot sights
• Nylon polymer construction keeps weight minimal on top of the airgun barrel

Cons

• Polymer rail body can flex under hard impacts compared to solid metal receiver mounts
• Requires removing the original factory rear sight to install the rail base

3

Clevercraft Scope Mount for 1377/1322 / American Classic Crosman Airguns

View on Amazon

• ARS Mark

  ARS Mark is a ranking system developed by bestairriflescopes.com. ARS Mark has no relationship or impact from any manufacturers or sales agent websites. Learn more

  -
• Brand
  Clevercraft LLC

Key specs2

Platform Compatibility

Crosman 1377 and 1322 American Classic

Optic Clearance

Mounts directly to the barrel to allow optic placement without modifying the original breech.

Pros & cons32

Pros

• Designed specifically to mount onto Crosman 1377 and 1322 American Classic airguns
• Enables optic attachment while retaining the original factory plastic breech assembly
• Places the scope forward along the barrel to keep the pellet loading port accessible

Cons

• Clamping pressure on the barrel requires careful alignment to avoid shifting zero during pumping
• Scope ring width and mounting clearance must be verified on the product page before fitting

4

Stainless Steel Silencer Adapter 1/2 20 UNF for Crosman 11mm

View on Amazon

• ARS Mark

  ARS Mark is a ranking system developed by bestairriflescopes.com. ARS Mark has no relationship or impact from any manufacturers or sales agent websites. Learn more

  -
• Brand
  SQOTDR

Key specs2

Muzzle Thread Spec

1/2-20 UNF

Material Build

Stainless steel

Pros & cons32

Pros

• Stainless steel build resists thread wear and corrosion at the airgun muzzle
• Adapts standard 11mm outer diameter Crosman barrels to standard 1/2-20 UNF threading
• Fits multiple Crosman platforms including the 1377, 1322, and 2240 series

Cons

• Requires measuring the barrel outer diameter to verify an exact 11mm fit before purchase
• Thread adapter only and does not include set screws or front sight hardware

5

SQOTDR Air Transfer Port for Crosman/Pistol 1377 1322 2240 2300

View on Amazon

• ARS Mark

  ARS Mark is a ranking system developed by bestairriflescopes.com. ARS Mark has no relationship or impact from any manufacturers or sales agent websites. Learn more

  -
• Brand
  SQOTDR

Key specs2

Pneumatic Component

Valve-to-breech air transfer port

Installation Scope

Requires disassembling the breech and main cylinder to seat between the valve and barrel assembly.

Pros & cons32

Pros

• Replaces the critical valve-to-breech transfer port on Crosman 1377 and 1322 airguns
• Broad cross-model fit covers Crosman pump airguns and CO2 pistols
• Restores an airtight seal to maintain consistent pneumatic pressure between valve and barrel

Cons

• Installation requires taking down the breech, main tube, and internal valve assembly
• Internal port diameter is not specified and should be confirmed on the product page

6

SQOTDR Black Aluminium Alloy Variable Pump Band & Silencer Adapter

View on Amazon

• ARS Mark

  ARS Mark is a ranking system developed by bestairriflescopes.com. ARS Mark has no relationship or impact from any manufacturers or sales agent websites. Learn more

  -
• Brand
  SQOTDR

Key specs2

Band Construction

Black aluminum alloy

Integrated Features

• Rigid barrel band clamp
• Threaded muzzle adapter collar

Pros & cons32

Pros

• Combines a replacement front pump band and muzzle adapter into a single aluminum unit
• Replaces the factory plastic front band to brace the barrel firmly against the air cylinder
• Aluminum alloy build eliminates flexing at the front end during the pump stroke

Cons

• Specific thread pitch is not listed in the product description and requires verification
• Designed specifically for pump models like the 1377 and 1322 rather than CO2 frames

7

SQOTDR Short Style Black Aluminum Alloy Dovetail Groove Breech +

View on Amazon

• ARS Mark

  ARS Mark is a ranking system developed by bestairriflescopes.com. ARS Mark has no relationship or impact from any manufacturers or sales agent websites. Learn more

  -
• Brand
  SQOTDR

Key specs3

Caliber Match

.177 caliber probe included

Mounting Dovetail

Integrated aluminum dovetail groove

Kit Inclusions

• Short aluminum breech
• .177 bolt probe
• Air transfer port

Pros & cons42

Pros

• Aluminum alloy breech features an integrated dovetail groove for rigid optic mounting
• Includes a dedicated .177 caliber bolt probe matched to the Crosman 1377 pellet chamber
• Bundles a replacement air transfer port for a synchronized receiver upgrade
• Short breech profile maintains a compact carbine footprint without unnecessary overhang

Cons

• Included bolt probe is strictly for .177 caliber and cannot chamber .22 pellets
• Requires precise mechanical installation and alignment with the small breech screw

Last update on 2026-10-12 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Does Crosman make an official wire stock for the 1377?

Crosman offers direct-fit polymer stocks such as the Crosman 1377 Custom Shoulder Stock rather than bent wire frames. Airgunners commonly search for a wire stock when seeking a minimalist, lightweight setup that cuts hand tremble without adding front-heavy bulk. Custom aftermarket wire units exist, but you must check their mounting plates carefully against your grip frame to ensure a rigid lockup without side-to-side play.

Will a shoulder stock bolt directly onto a 1377 air pistol without drilling?

Yes, factory-style options like the Crosman 1377 Custom Shoulder Stock mount directly to the grip frame by replacing the standard grip panels. You do not need to drill, tap, or modify the pistol frame. Always verify that your grip screws thread cleanly into the existing frame holes, because forcing mismatched hardware risks stripping the internal threads.

Does attaching a shoulder stock interfere with pumping the 1377 forearm?

No, a properly mounted shoulder stock stays fixed to the rear grip area and leaves the variable pump forearm free to cycle. Because the Crosman 1377 requires full forward and backward lever travel on every pump stroke, ensure your grip clearance allows your support hand to operate smoothly. If you find repeated pumping inconvenient during high-volume shooting sessions, you might consider how a standalone CO2 BB gun handles rapid plinking compared to a pneumatic multi-pump carbine.

How do you align iron sights or a red dot after adding a shoulder stock?

Adding a stock brings your cheek closer to the receiver, which changes your eye line relative to the factory sights. If the rear sight sits too low, you can install an aftermarket Picatinny red dot mount rail made from nylon polymer, which serves as an easy install rear sight replacement without needing a steel breech. You can also mount optics using a Clevercraft Scope Mount designed for 1377 and 1322 American Classic airguns, or upgrade to a short style aluminum alloy dovetail groove breech.

Are Crosman 1377 shoulder mounts and receiver parts compatible with other Crosman models?

Yes, many components share cross-platform compatibility across the classic Crosman lineup. For instance, the nylon polymer Picatinny red dot mount rail lists compatibility for the 2240, 1322, 1377, 1399, and 362 airguns. Similarly, breech assemblies and transfer ports frequently match across the 1377, 1322, 2240, 2250, and 2260 platforms. If you prefer a factory-built carbine system instead of assembling conversion parts onto a pistol frame, looking into a tactical air rifle gives you a solid reference point for dedicated carbine balance.

Is a steel breech required to mount a scope or red dot to a 1377 carbine?

No, a steel breech is not mandatory to achieve a steady optic mount. Clamping solutions like the Clevercraft Scope Mount attach directly to 1377 and 1322 barrels, while nylon polymer Picatinny rails mount in place of the factory rear sight. However, if you plan to install a dovetail optic, an aluminum alloy dovetail groove breech with an included bolt probe and air transfer port provides a rigid top rail while keeping the assembly lightweight.