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B5 Systems SRK1656 Sierra K Flat Dark Earth
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$57.99
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SKU: SRK1656-814927024755
Overview
Built for compact weapon setups, this stock is intended for shooters who want a reduced-size option without unnecessary bulk. Its slim cheek profile, snag-free adjustment lever, limited-rotation QD and integral fixed sling mounts, internal tensioners, and anti-slip buttpad are all aimed at keeping the platform streamlined and functional. It mounts via a shortened compact Mil-Spec receiver extension, making it suited to PDW and other compact configurations where space and simplicity matter.
Why Hunters Choose the B5 Systems
Compact Stock
Design suits PDW and other
Reduced Overall
Size supports a more streamlined
Slim Cheek
Profile keeps the stock profile
Snag-free Adjustment
Lever helps reduce catch points
Limited Rotation
QD and fixed sling mounts
Key Features
- Compact stock designed for PDW and compact weapon systems.
- Reduced overall size with a slim cheek profile.
- Snag-free adjustment lever for streamlined operation.
- Includes limited-rotation QD and integral fixed sling mounts.
- Internal tensioners help maintain a secure fit.
- Anti-slip buttpad adds stability at the shoulder.
- Mounts via a shortened compact Mil-Spec receiver extension.
Best Used For
- Hunters building compact PDW-style or short weapon systems for streamlined handling
- Users wanting a reduced-size stock with a slim cheek profile for compact setups
- Shooters who prefer snag-free adjustment controls during movement and carry
- Field users needing integrated sling attachment options on a compact stock
- Those prioritizing a compact, purpose-driven stock for shortened Mil-Spec receiver extensions
Specifications
| Long Description | The Sierra K is a purpose-driven compact stock, optimized for use on PDW and compact weapon systems. Features include reduced overall size and slim cheek profile, snag-free adjustment lever, limited rotation QD and integral fixed sling mounts, internal tensioners, and anti-slip buttpad. Mounts via shortened compact Mil-Spec receiver extension.Specifications and Features: |
|---|---|
| Short Description | The Sierra K is a purpose-driven compact stock, optimized for use on PDW and compact weapon systems. Features include reduced overall size and slim cheek profile, snag-free adjustment lever, limited rotation QD and integral fixed sling mounts, internal tensioners, and anti-slip buttpad. Mounts via shortened compact Mil-Spec receiver extension. |
| Specifications | [object Object] |
Pros
- Compact stock design suits PDW and other compact weapon systems.
- Reduced overall size supports a more streamlined rifle setup.
- Slim cheek profile keeps the stock profile low and unobtrusive.
- Snag-free adjustment lever helps reduce catch points during handling.
- Limited rotation QD and fixed sling mounts offer multiple attachment options.
- Anti-slip buttpad and internal tensioners add practical stock features.
Considerations & Trade-offs
- Designed for PDW and compact weapon systems, so it is not a general-purpose stock for standard-length setups.
- Uses a shortened compact Mil-Spec receiver extension, which means compatibility depends on that specific setup.
- The compact size and slim cheek profile prioritize a smaller footprint over a fuller stock profile.
- Sling attachment options are built in, but the feature set is focused on essentials rather than added adjustability or extras.
Suggested Comparisons
- Compact rifle stocks
- PDW stock systems
- Mil-Spec receiver extensions
- Sling mounting accessories
Suggested Accessories
- QD sling swivel
- Sling
- Receiver extension
- Buttpad
Frequently Asked Questions
What type of setup is the Sierra K designed for?
The Sierra K is described as a compact stock optimized for use on PDW and compact weapon systems.
How does the Sierra K mount to the firearm?
It mounts via a shortened compact Mil-Spec receiver extension.
What sling attachment options are included?
The product description lists limited rotation QD and integral fixed sling mounts.
Does the Sierra K include any features to help reduce snags or movement?
Yes. The listed features include a snag-free adjustment lever, internal tensioners, and an anti-slip buttpad.
What can be said about the stock’s size and cheek profile?
It is described as having a reduced overall size and a slim cheek profile.