Knights Armament

Sr-25 Precision Rifle Complete Upper Receiver 6.5 Creedmoor M-LOK - Upper Receiver Precision Rifle KIT 6.5 Creedmoor 22 Barrel

Knights Armament Sr-25 Precision Rifle Complete Upper Receiver 6.5 Creedmoor M-Lok - Upper Receiver Precision Rifle Kit 6.5 Creedmoor 22 Barrel - Upper Receiver for AR-15 - view 1
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Knights Armament

Overview

The Knights Armament SR-25 Precision Rifle Complete Upper Receiver in 6.5 Creedmoor is a complete assembly designed for the AR-10 platform, featuring a 22-inch barrel that enhances accuracy and range, making it ideal for precision shooting. The 6.5 Creedmoor caliber is known for its flat trajectory and minimal recoil, which allows for effective long-range performance. This upper receiver is often used in builds that also accommodate the .308 Win caliber, providing versatility for builders focused on precision and long-distance capabilities.

Specifications

MPN100223-BLK
AssemblyComplete
PlatformAR-10
Caliber6.5 Creedmoor
Barrel Length22
Receiver TypeAR-10/M5
Receiver PatternSR-25

Available Merchants(1)

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$4,299.99
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September 2026 on GunPartPicker

Knights Armament Sr-25 Precision Rifle Complete Upper Receiver 6.5 Creedmoor M-LOK - Upper Receiver Precision Rifle KIT 6.5 Creedmoor 22 Barrel ranked #84 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #329 of the 1,882 upper receivers builders have added.

Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today the one retailer we track has it in stock. Prices barely moved in September 2026, holding around $4,299.99, so there haven't been real sales lately. Buying today, the lowest price is $4,299.99 at Brownells, which matches the best price we saw in September.

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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 43% of them
LMT Defense .308 Piston Carrier Group

LMT Defense .308 Piston Carrier Group

Bolt Carrier Group$707in 29% of them
LMT Defense Ambidextrous .308 Charging Handle

LMT Defense Ambidextrous .308 Charging Handle

Charging Handle$150 · out of stockin 14% of them
TriggerTech AHTSDB33NNC Duty Curved Trigger Single-Stage 3.50 lbs Draw Weight Fits AR-10

TriggerTech AHTSDB33NNC Duty Curved Trigger Single-Stage 3.50 lbs Draw Weight Fits AR-10

Trigger$95in 14% of them
RADICAL GPS SUPPRESSOR 7.62

RADICAL GPS SUPPRESSOR 7.62

Suppressor$1,499 · out of stockin 14% of them
Nightforce ATACR 1-8x24mm F1, FC-DMx Reticle, Dark Earth, Rifle Scope

Nightforce ATACR 1-8x24mm F1, FC-DMx Reticle, Dark Earth, Rifle Scope

Rifle Scope$2,900in 14% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Gas System

49.8%
Mid-Length49.8%
Carbine26.2%
Pistol11.5%
Rifle10.8%
Blowback1.4%
Other0.3%

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