B5 Systems AR-15 Collapsible Precision Stock - Flat Dark Earth

All B5 Systems stocks & braces
B5 Systems Ar-15 Collapsible Precision Stock - Flat Dark Earth - Stock & Brace for AR-15 - view 1
B5 Systems Ar-15 Collapsible Precision Stock - Flat Dark Earth - Stock & Brace for AR-15 - view 2
B5 Systems Ar-15 Collapsible Precision Stock - Flat Dark Earth - Stock & Brace for AR-15 - view 3
Buy Now

B5 Systems

Overview

The B5 Systems AR-15 Collapsible Precision Stock in Flat Dark Earth is designed for versatility and adaptability, allowing you to easily adjust the length of pull to suit your shooting style or gear. This collapsible stock provides a solid platform for precision shooting while maintaining a lightweight profile, making it an excellent choice for builders looking to enhance their rifle's overall performance. It is commonly found in mid-length gas system builds chambered in 5.56 NATO, where stability and adjustability are key for effective shooting.

Specifications

MPNCPS-1305
ColorFDE
Stock TypeCollapsible

Available Merchants(7)

Prices checked

Price Alert

Get an email if the price drops 10% or more.
Optics Planet logo
Optics Planet
Free shipping
Shipping Speed
In Stock
$218.50
Primary Arms logo
Primary Arms
Free shipping
Shipping Speed
In Stock
$218.50
Classic Firearms logo
Classic Firearms
Shipping varies
Shipping Speed
In Stock
$218.50
KY Gun Company logo
KY Gun Company
Flat rate shipping
Shipping Speed
In Stock
$218.50
Brownells logo
Brownells
Free shipping
Shipping Speed
In Stock
$225.00
Ammunition Depot logo
Ammunition Depot
~$28.90 est. shipping
Shipping Speed
In Stock
$225.00
Palmetto State Armory logo
Palmetto State Armory
Free shipping
Shipping Speed
In Stock
$225.99

Build history on GunPartPicker

Builders have added the B5 Systems AR-15 Collapsible Precision Stock - Flat Dark Earth to their builds on GunPartPicker. Since April 2026, it ranks #56 of the 560 stocks and braces builders have added. Builds with this stock are split between 5.56 NATO (44%) and .308 Win (25%), mostly on rifle-length gas (60%, then carbine-length 20%), and mostly AR-15 (60%, then AR-10 40%).

Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today all 7 retailers we track have it in stock. Prices barely moved in October 2026, holding around $218.50, with no real sale all month. Buying today, the lowest price is $218.50 at Optics Planet, which matches the best price we saw in October.

Trending stocks and braces →

Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers

Not sure which stock & brace to pick?

We ranked every stock & brace by how often it shows up in real builds on GunPartPicker.

Read the guide: AR-15 Stock Popularity Report →

Frequently Built With

The part most often added in each category by the builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

60%
AR-1560%
AR-1040%

Caliber

43.8%
5.56 NATO43.8%
.308 Win25%
.223 Wylde12.5%
6.5 Creedmoor6.3%
6.5 Grendel6.3%
Other6.3%

Gas System

60%
Rifle60%
Carbine20%
Mid-Length20%

Builds Featuring This Part

See all builds →

Builds in the community that include the B5 Systems Ar-15 Collapsible Precision Stock - Flat Dark Earth

BuildPartsTotal
18" Aero Precision pistol build
18" Aero Precision pistol
18$4303.20

Review this product

Share your thoughts with other customers

Be the first to review

No reviews yet. Be the first to review this product!