Magpul Ar-15 Ctr Stock Collapsible Mil-Spec Blk

Magpul Ar-15 Ctr Stock Collapsible Mil-Spec Blk - Stock & Brace for AR-15 - view 1
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Magpul

Overview

The Magpul AR-15 CTR Stock is a collapsible stock designed for Mil-Spec buffer tubes, crafted from durable polymer to withstand the rigors of use. Its adjustable length allows for a customizable fit, enhancing comfort and stability during shooting. This stock is often found on builds featuring a mid-length gas system in 5.56 NATO caliber, making it a versatile choice for various applications.

Specifications

MPNMAG310-BLK
MaterialPolymer
ColorBlack
Tube SpecMil-Spec
Stock TypeCollapsible

Available Merchants(11)

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Frequently Built With

Based on build data

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

75.8%
AR-1575.8%
AR-1024.2%

Caliber

65%
5.56 NATO65%
.308 Win10%
300 Blackout10%
.223 Remington5%
.458 SOCOM5%
Other5%

Gas System

41.2%
Carbine41.2%
Mid-Length41.2%
Pistol11.8%
Rifle5.9%
Frequently Built With Products
ProductCategoryTimes Built Together
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger71
CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B38
Bravo Company Ar-15/m16 Bcm Mil-Spec 6 Position Receiver Extension38
Bravo Company M16 Bolt Carrier Group Black34
Strike Industries Extended Bolt Catch33
Strike Industries Flat Wire Spring for AR Carbine - AR-FWS-C32
Build Platform Breakdown
PlatformPercentage
AR-1575.8%
AR-1024.2%
Build Caliber Breakdown
CaliberPercentage
5.56 NATO65%
.308 Win10%
300 Blackout10%
.223 Remington5%
.458 SOCOM5%
7.62x39mm5%
Build Gas System Breakdown
Gas SystemPercentage
Carbine41.2%
Mid-Length41.2%
Pistol11.8%
Rifle5.9%

Builds Featuring This Part

See all 27

Builds in the community that include the Magpul Ar-15 Ctr Stock Collapsible Mil-Spec Blk

BuildPartsTotal
Aero precision 14.5" 5.56
16$4604.85
16" radian weapons SBR
11$5014.60
Home defense 16" 5.56
20$973.89
aero precision 10.5" 5.56
26$3066.66
for the family fun 14.5"
30$3463.61
Yankee Hill Machine 8"
24$6340.06
For hunting hogs 15"
11$1877.62
wilson combat 14.5" .223 wylde
24$1170.38
LMT 14.5" 5.56
9$2864.82
SBR 16" 5.56
34$4706.53
SBR 8" 5.56
24$553.87
for the range 16"
13$1888.88

Customer reviews

4.8out of 5

4 global ratings

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Top reviews

J
Jamie_ar
Magpul CTR stock cheek
Reviewed on April 25, 2026Verified with Build

Magpul CTR carbine stock has comfortable cheek weld geometry. Locks at each position positively on a milspec tube. QD socket on both sides. Polymer is dense and durable - holds up to drops and abuse without cracking.

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F
FitzWinz
Magpul CTR stock QD tight
Reviewed on April 24, 2026Verified with Build

Magpul CTR carbine stock has the integrated QD socket that holds tight to a sling under load. Stock locks at each position with no wobble on the milspec tube. Cheek weld is comfortable. Black polymer matches Magpul black parts.

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M
mr_NaimElm
happy with it
Reviewed on March 12, 2026Verified with Build

cheek weld is comfortable

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H
haraldulf
minor gripes
Reviewed on March 3, 2026Verified with Build

good stock. release lever is stiff at first

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