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Magpul
Overview
The Magpul PRS Gen 3 Precision Stock is an adjustable rifle-length stock designed for enhanced stability and accuracy in your AR-15 builds. Made from durable polymer, it allows for fine-tuning of length of pull and cheek weld, ensuring a comfortable shooting position that can be customized to fit the user's preference. This stock is often found in builds featuring a mid-length gas system and chambered in .308 Win, making it a solid choice for precision shooting applications.
Specifications
Magpul AR-15 PRSGEN3 Precision Stk Adj. Rifle Length Black
Available Merchants(10)
Prices checked
Price Alert
September 2026 on GunPartPicker
Magpul AR-15 PRSGEN3 Precision Stk Adj. Rifle Length Black 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 #51 of the 463 stocks and braces builders have added. Builds with this stock are split between .308 Win (41%) and 5.56 NATO (41%), split between rifle-length (46%) and mid-length (46%) gas systems, and split between AR-15 (57%) and AR-10 (43%).
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 8 of the 10 retailers we track have it in stock. It dipped to $176.99 at KY Gun Company for a stretch in September 2026, well under its usual $209.99 to $246.95, so sales do come around. Buying today, the lowest price is $176.99 at KY Gun Company, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Aero Precision AR-10 Stripped Lower Receiver Anodized Black
TriggerTech Duty AR- 10 Flat Trigger - AHT-TDB-33-NNF
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Aero Precision M4E1-T PRO CHF M4 5.56mm 14.5 inch Complete Upper Receiver Hanson Mid Length 1-7 Twist A2 Birdcage Anodized Black
B5 Systems Type 22 P-Grip - Black
Bravo Company M16 Bolt Carrier Group Black
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.
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