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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
Magpul AR-15 CTR Stock Collapsible Mil-Spec Black
4 options
Available Merchants(12)
Prices checked
Price Alert
October 2026 so far on GunPartPicker
Magpul AR-15 CTR Stock Collapsible Mil-Spec Black is the eighth most added stock on GunPartPicker so far in October 2026, behind the Daniel Defense Collapsible Buttstock - Black, with about 3% of all stocks and braces added to builds. Down from #5 in September. Builds with this stock are mostly chambered in 5.56 NATO (75%, then .223 Wylde 11%), mostly on mid-length gas (61%, then carbine-length 21%), and mostly AR-15 (94%).
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 7 of the 12 retailers we track have it in stock. It dipped to $47.99 at KY Gun Company for a stretch in September 2026, well under its usual $56.99, so sales do come around. Buying today, the lowest price is $54.51 at KY Gun Company, above September's low of $47.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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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 hundreds of builds that include this one
Smith & Wesson M&P15 Complete Lower 5.56x45mm/.223 Remington, Black - 812002
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf AR-15 Barreled Upper - MCMR-15 - 16"
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Bravo Company M16 Bolt Carrier Group Black
Magpul MOE K2 Grip Polymer Gray
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Magpul Ar-15 Ctr Stock Collapsible Mil-Spec Blk
| Build | Parts | Total |
|---|---|---|
| meta? | 24 | $2324.67 |
 | 16 | $4602.30 |
 | 11 | $5421.38 |
 | 20 | $977.89 |
 | 26 | $3129.18 |
 | 30 | $3724.95 |
 | 24 | $6656.16 |
 | 11 | $1986.42 |
 | 24 | $1223.93 |
 | 9 | $2861.38 |
 | 34 | $4781.16 |
 | 24 | $599.38 |
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