Stock PartsB5 SystemsSold by Brownells

B5 Systems

556 Collapsible Precision Stocks - Collapsible Precision Stock 556 Multicam- Medium

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Collapsible Precision

Stock for AR-15 platforms

Adjustable Design

For easier storage and transport

Ambidextrous Quick-detach

Sling-swivel socket with limited rotation

Multiple Fixed

Sling mounts included

Lockable Adjustment

Lever for secure positioning

$237.00
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SKU: 100036237

Overview

Built for AR-15 setups that need a stable shooting platform without the bulk of a fixed stock, this precision stock is aimed at hunters and shooters who want a more adaptable rifle configuration. It can be adjusted or reduced in size for easier storage and transport, making it practical for trips to the range or time in the field where space matters. The stock includes an ambidextrous quick-detach sling-swivel socket with limited rotation, along with additional fixed sling mounts for carrying options. A lockable adjustment lever and an underside M-LOK attachment point add useful flexibility for a streamlined precision build.

Why Hunters Choose the B5 Systems

Adjustable Design

Supports easy stock changes for

Collapsible Profile

Helps reduce bulk for storage

Ambidextrous Quick-detach

Sling-swivel socket adds versatile carry

Lockable Adjustment

Lever provides secure stock positioning

Includes Fixed

Sling mounts for additional attachment

Key Features

  • Collapsible precision stock for AR-15 platforms
  • Adjustable design for easier storage and transport
  • Ambidextrous quick-detach sling-swivel socket with limited rotation
  • Multiple fixed sling mounts included
  • Lockable adjustment lever for secure positioning
  • M-LOK attachment point on the underside, compatible with Picatinny rail

Best Used For

  • AR-15 shooters wanting a precision-style stock that can still be adjusted for transport or storage
  • Hunters who prefer a solid mounting point without committing to a fixed-stock setup
  • Left- or right-handed users needing ambidextrous sling attachment options
  • Shooters who want an adjustable stock with a lockable lever for consistent setup
  • Users planning to add accessories through the underside M-LOK attachment point

Specifications

Adjustment LeverPresent
Ambidextrous Quick Detach Sling Swivel SocketYes
ColorMulticam
Fixed Sling MountsPresent
Lockable Adjustment LeverYes
M Lok Attachment PointPresent
Picatinny Rail CompatibilityCompatible
PlatformAR-15
SizeMedium
Sling Swivel Socket RotationLimited rotation
Stock TypeCollapsible Precision Stock
Underside Attachment LocationUnderside of stock

Pros

  • Adjustable design supports easy stock changes for different shooting setups
  • Collapsible profile helps reduce bulk for storage and transport
  • Ambidextrous quick-detach sling-swivel socket adds versatile carry options
  • Lockable adjustment lever provides secure stock positioning
  • Includes fixed sling mounts for additional attachment flexibility
  • Underside M-LOK attachment point adds accessory compatibility

Considerations & Trade-offs

  • Designed for AR-15 use, so it is not a universal stock for other rifle platforms.
  • The collapsible format improves storage and transport, but it may not suit shooters who prefer the feel of a fixed precision stock.
  • Features such as the ambidextrous quick-detach sling-swivel socket, fixed sling mounts, and underside M-LOK attachment point add versatility, but they also make the stock more specialized than a basic minimalist option.
  • The product is described as medium size, so fit and setup should be checked against the intended rifle and shooting setup before purchase.

Suggested Comparisons

  • Adjustable AR-15 stock
  • Fixed precision rifle stock
  • AR-15 collapsible stock
  • Sling mounting accessories

Suggested Accessories

  • Sling swivel
  • Picatinny rail accessory
  • M-LOK accessory
  • AR-15 storage case

Frequently Asked Questions

What type of rifle is this stock designed for?

The product is described as a collapsible precision stock for an AR-15.

Is this stock fixed or adjustable?

It is collapsible and can be easily adjusted or downsized for storage and transport. The description also mentions an adjustment lever with a lockable feature.

What sling attachment options are included?

The stock includes an ambidextrous quick-detach sling-swivel socket with limited rotation, along with a number of fixed sling mounts.

Does this stock have an accessory attachment point?

Yes. The description says it has an M-LOK attachment point on the underside of the stock that is compatible with Picatinny rail.

What size or fit details are provided for this model?

The title identifies this as the Medium version in Multicam, but no additional fit, dimension, or compatibility details are provided in the source data.