Magpul PRS Gen 3 Precision Stock AR-15/AR-10 Black
Magpul Industries
$246.95
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Magpul Industries
Magpul PRS Gen 3 Precision Stock AR-15/AR-10 Black
The Magpul PRS Gen 3 Precision Stock is a field-ready, fully adjustable rifle stock engineered for AR-15/M16 and AR-10/SR25 platforms, delivering the stability and repeatability demanded by precision shooters, competitive marksmen, and varmint hunters alike.
- Tool-less length of pull and cheek piece height adjustment via aluminum detent knobs
- Steel adjustment shafts provide rock-solid, repeatable positioning shot after shot
- Optimized for rifle-length receiver extensions; fits many mil-spec carbine and A5-length tubes
- Cant and height-adjustable rubber butt-pad for consistent cheek weld and recoil management
- Rotation-limiting QD sling swivel cups integrated for secure, low-profile sling attachment
- M-LOK slots on the underside allow rear monopod or accessory mounting
Who This Is For
The Magpul PRS Gen 3 is purpose-built for precision rifle enthusiasts who need a dialed-in, repeatable fit — whether you're running a semi-automatic long-range setup, competing in PRS-style matches, or hunting varmints at extended distances. It's equally at home on a dedicated AR-10 build chambered in .308 or a flat-shooting AR-15 in 6.5 Grendel, making it one of the most versatile precision stocks on the market for the serious shooter.
Specifications
| Brand | Magpul Industries |
|---|---|
| Model | PRS Gen 3 |
| Color | Black |
| Compatible Platforms | AR-15/M16, AR-10/SR25 |
| Receiver Extension Fit | Rifle-length (primary); mil-spec carbine & A5-length compatible |
| LOP Adjustment | Tool-less, machined aluminum detent knob |
| Cheek Piece Adjustment | Tool-less, machined aluminum detent knob |
| Butt-Pad | Rubber, cant/height-adjustable |
| Sling Interface | Rotation-limiting QD sling swivel cups |
| Accessory Mounting | M-LOK slots (bottom, for monopod) |
| Country of Origin | USA |
Frequently Asked Questions
Will the Magpul PRS Gen 3 fit my carbine-length AR-15 with a mil-spec buffer tube?
Yes — while the PRS Gen 3 is optimized for rifle-length receiver extensions, Magpul has engineered it to also mount to many mil-spec carbine-length and A5-length buffer tubes. However, for the best fit, widest range of length-of-pull adjustment, and most stable interface, a rifle-length receiver extension is strongly recommended. If you're building a dedicated precision rifle, consider pairing the PRS Gen 3 with a rifle-length buffer tube for the full intended experience.
How much length of pull and cheek piece adjustment does the PRS Gen 3 offer?
The PRS Gen 3 provides approximately 2.5 inches of length-of-pull adjustment and about 1 inch of cheek piece height adjustment — both fully tool-less via the machined aluminum detent knobs. The steel adjustment shafts ensure these settings hold firm under recoil, so you can trust your position to stay consistent from the first shot to the last. The adjustable rubber butt-pad adds additional fine-tuning for cant and height to accommodate a wide range of shooter builds and positions.
Is the Magpul PRS Gen 3 suitable for both AR-15 and AR-10 builds?
Absolutely. The PRS Gen 3 is designed to fit both AR-15/M16 and AR-10/SR25 platform rifles, making it a versatile choice whether you're building a lightweight varmint rifle in .223/5.56 or a hard-hitting long-range rig in .308 Win/7.62 NATO. Just verify your receiver extension length before purchasing to ensure the best possible fit and adjustment range.
