The precision stock by which gas guns are judged — the PRS GEN3 is bench-rest engineering for AR15 and AR10 platforms.
The Magpul PRS GEN3 (MAG672) is the full expression of the precision rifle stock concept: tool-less micro-adjustable length of pull and cheek height via precision click dials, a massively rigid chassis that gives the rear bag and shoulder a dead-stable interface, and geometry refined across three generations of competitive and professional use. Set your dimensions once and they hold — through recoil, transport and seasons.
GEN3 fits rifle-length and A5 receiver extensions across AR15 and AR10 patterns, wears a rubber buttpad on an adjustable-height plate, and provides the flat, bag-riding underside serious positional shooters expect. If the mission is smallest-possible groups from a semi-auto, this is the stock the conversation ends with.
Why shooters choose the PRS GEN3
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Micro-adjustable LOP & cheek height — precision click dials, no tools
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Massively rigid chassis — a stable rear interface for bags and shoulder
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Settings that hold — your fit survives recoil and transport
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Fits AR15 & AR10 — rifle-length / A5 receiver extensions
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Four finishes — Black, Flat Dark Earth, Olive Drab Green, Stealth Gray
Fit & installation
Fits rifle-length and A5 receiver extensions on AR15 and AR10 pattern rifles. Install, dial in length of pull and cheek height behind your optic, and record the click settings.
Specifications
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Model: MAG672
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Platform: AR15 & AR10
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Fit: Rifle-length / A5 receiver extension
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Adjustment: Tool-less length of pull & cheek height
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Finishes: Black, Flat Dark Earth, Olive Drab Green, Stealth Gray
Build the rifle around the shot. Order the PRS GEN3 today — in stock at Xtreme Tactical Gun Parts with free UK delivery.
Explore more: Rifle & Shotgun Stocks, Precision Rifle Stocks, AR-15 Parts or browse all Magpul.
