CMMG

CMMG AR-15 A1 Stock Assembly

Cmmg Ar-15 A1 Stock Assembly - Stock & Brace for AR-15 - view 1
Cmmg Ar-15 A1 Stock Assembly - Stock & Brace for AR-15 - view 2
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CMMG

Overview

The CMMG AR-15 A1 Stock Assembly is a fixed stock designed to provide a solid, reliable interface for your AR-15 build. Constructed from durable polymer, this stock features the classic A1 tube specification, which ensures compatibility with a variety of lower receivers while maintaining a traditional aesthetic. This stock is often found in retro-style builds, appealing to those who appreciate the original design and functionality of the AR platform.

Specifications

MPN55CA92D
MaterialPolymer
Tube SpecA1
ColorBlack
Stock TypeFixed

Available Merchants(6)

Prices checked

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Ammunition Depot logo
Ammunition Depot
~$28.90 est. shipping
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In Stock
$52
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CM
CMMG
Free shipping over $100
Shipping Speed
In Stock
$60
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Optics Planet logo
Optics Planet
Free shipping
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In Stock
$68
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BattleHawk Armory logo
BattleHawk Armory
Shipping varies
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Out of Stock
$46
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Palmetto State Armory logo
Palmetto State Armory
$9.99 shipping (free over $99)
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Out of Stock
$54
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Brownells logo
Brownells
Free shipping over $99
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Out of Stock
$57
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September 2026 on GunPartPicker

CMMG AR-15 A1 Stock Assembly ranked #99 of the 199 stocks and braces builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #84 of the 459 stocks and braces builders have added.

It was hard to find in September 2026, in stock on only 8 of the 21 days we checked, and today 3 of the 6 retailers we track have it in stock. The best price crept up from $51.99 to $56.92 over September 2026. Buying today, the lowest price is $51.99 at Ammunition Depot, which matches the best price we saw in September.

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

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

Read the guide: AR-15 Stock Popularity Report →

Check it against the live catalog:

Frequently Built With

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

B5 Systems Trigger Guard ATG-001-01

B5 Systems Trigger Guard ATG-001-01

Trigger Guard$12in 50% of them
Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK

Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK

Magazine Release$38in 33% of them
Strike Industries Extended Bolt Catch

Strike Industries Extended Bolt Catch

Bolt Catch$15in 33% of them
CMMG AR-15 A1 Receiver Extension

CMMG AR-15 A1 Receiver Extension

Buffer Tube$40in 17% of them
Aero Precision AR-10 Stripped Lower Receiver Anodized Black

Aero Precision AR-10 Stripped Lower Receiver Anodized Black

Lower Receiver$121 · out of stockin 17% of them
Hogue AR-15 OverMolded Pistol Grip - Beaver Tail - No Finger Grooves - Black

Hogue AR-15 OverMolded Pistol Grip - Beaver Tail - No Finger Grooves - Black

Pistol Grip$25in 17% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

91.6%
AR-1591.6%
AR-105.4%
AR-93%

Caliber

71.3%
5.56 NATO71.3%
.223 Wylde8.7%
300 Blackout8.4%
.308 Win4.5%
9mm2%
Other5%

Gas System

53.3%
Mid-Length53.3%
Carbine25.2%
Rifle10.5%
Pistol9.7%
Blowback0.8%
Other0.4%

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