Knights Armament

Sr-25 Precision Rifle Complete Upper Receivers 308 Win M-LOK - Upper Receiver Precision Rifle KIT 308 Win 20 Barrel

Knights Armament Sr-25 Precision Rifle Complete Upper Receivers 308 Win M-Lok - Upper Receiver Precision Rifle Kit 308 Win 20 Barrel - Upper Receiver for AR-15 - view 1
Knights Armament Sr-25 Precision Rifle Complete Upper Receivers 308 Win M-Lok - Upper Receiver Precision Rifle Kit 308 Win 20 Barrel - Upper Receiver for AR-15 - view 2
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Knights Armament

Overview

The Knights Armament SR-25 Precision Rifle Complete Upper Receiver is designed for the AR-10 platform and features a 20-inch barrel optimized for .308 Win. This complete assembly allows builders to streamline their projects by integrating precision engineering and reliable performance right out of the box. The upper receiver is particularly suited for long-range builds, where accuracy and stability are paramount.

Specifications

MPN111472
AssemblyComplete
PlatformAR-10
Caliber.308 Win
Barrel Length20
Receiver TypeAR-10/M5
Receiver PatternSR-25

Available Merchants(2)

Prices checked

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BattleHawk Armory logo
BattleHawk Armory
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$3,500
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Brownells
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$3,919
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Build history on GunPartPicker

Builders have been adding the Knights Armament Sr-25 Precision Rifle Complete Upper Receivers 308 Win M-LOK - Upper Receiver Precision Rifle KIT 308 Win 20 Barrel to their builds on GunPartPicker since February 2026. All time, it ranks #620 of the 1,654 upper receivers builders have added.

Today none of the 2 retailers we track has it in stock right now. Listed prices start at $3,500 at BattleHawk Armory for when it comes back.

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Frequently Built With

The part most often added in each category by the builds that include this one

Knights Armament Sr-25 Lower Receiver 7.62mm

Knights Armament Sr-25 Lower Receiver 7.62mm

Lower Receiver$1,528 · out of stockin 44% of them
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers

Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers

Charging Handle$69 · out of stockin 11% of them
LMT DMR .308 Adjustable AR-10 Rifle Stock

LMT DMR .308 Adjustable AR-10 Rifle Stock

Stock & Brace$404in 11% of them
Geissele Automatics Hi-Speed National Match Trigger Set

Geissele Automatics Hi-Speed National Match Trigger Set

Trigger$245in 11% of them
SIG SAUER NG 7.62mm 7.5in Quick Detach Rifle Suppressor (NG762-QD)

SIG SAUER NG 7.62mm 7.5in Quick Detach Rifle Suppressor (NG762-QD)

Suppressor$721in 11% of them
Cryptic Bolt Carrier Group BCG - Complete .308 WIN/7.62x51mm/6.5 Creedmoor Mystic Midnight

Cryptic Bolt Carrier Group BCG - Complete .308 WIN/7.62x51mm/6.5 Creedmoor Mystic Midnight

Bolt Carrier Group$285in 11% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Gas System

50.4%
Mid-Length50.4%
Carbine25.9%
Pistol11.2%
Rifle11%
Blowback1.3%
Other0.3%

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