B5 Systems AR-15 Enhanced SOPMOD Stock Collapsible Mil-Spec Gray

B5 Systems Ar-15 Enhanced Sopmod Stock Collapsible Mil-Spec Gray - Stock & Brace for AR-15 - view 1
B5 Systems Ar-15 Enhanced Sopmod Stock Collapsible Mil-Spec Gray - Stock & Brace for AR-15 - view 2
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B5 Systems

Overview

The B5 Systems AR-15 Enhanced SOPMOD Stock is a collapsible stock designed to fit Mil-Spec buffer tubes, providing a secure and adjustable fit for your rifle. Constructed from durable polymer, this stock enhances user comfort and stability during operation, making it a solid choice for various shooting scenarios. This stock is commonly found in builds featuring a mid-length gas system and chambered in .308 Win, making it suitable for those looking for a robust setup.

Specifications

MPNSOP-1123
Tube SpecMil-Spec
ColorGray
MaterialPolymer
Stock TypeCollapsible

Available Merchants(9)

Prices checked

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Brownells logo
Brownells
Free shipping over $99
Shipping Speed
In Stock
$95
Optics Planet logo
Optics Planet
Free shipping
Shipping Speed
In Stock
$95
Primary Arms logo
Primary Arms
Free shipping over $99
Shipping Speed
In Stock
$95
BattleHawk Armory logo
BattleHawk Armory
Shipping varies
Shipping Speed
In Stock
$95
KY Gun Company logo
KY Gun Company
Flat rate shipping
Shipping Speed
In Stock
$95
Palmetto State Armory logo
Palmetto State Armory
$9.99 shipping (free over $99)
Shipping Speed
In Stock
$96
Ammunition Depot logo
Ammunition Depot
~$28.90 est. shipping
Shipping Speed
In Stock
$100
Guns.com logo
Guns.com
Free shipping
Shipping Speed
Stock Unknown
$95
SO
Sportsmans Outdoor Superstore
Flat rate shipping
Shipping Speed
Out of Stock
$62

Build history on GunPartPicker

Builders on GunPartPicker first added the B5 Systems AR-15 Enhanced SOPMOD Stock Collapsible Mil-Spec Gray to a build in February 2026.

It was in stock most days in August 2026, and today 7 of the 9 retailers we track have it in stock. The best price crept up from $62.49 to $95 over August 2026. Buying today, the lowest price is $95 at Brownells, above August's low of $62.49, so a better deal may come back.

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