Mk12 Mod-H .223/5.56 16" Bbl Complete Uppr Rcvr BLK

Name: Mk12 Mod-H .223/5.56 16" Bbl Complete Uppr Rcvr BLK
Brand: Precision Reflex, Inc.
Availability: InStock

Precision Reflex, Inc. · Upper Receiver

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Mk12 Mod-H .223/5.56 16" Bbl Complete Uppr Rcvr BLK

Best price

$1,344.70at MidwayUSA

In stock Lowest in 30 dayschecked Nov 13, 2026

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Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Barrel length: 16" · Handguards

Specifications

Manufacturer: Precision Reflex, Inc.
Color: Black
Type: Complete
Platform: AR-15
Caliber: 5.56 mm NATO
Weight: 6 oz

Where to buy

Store	Price	Availability	Buy	Add to build
MidwayUSA Best price	$1,344.70checked Nov 13, 2026	In stock	Buy at MidwayUSA
Brownells 17.76% off · ends Nov 15 · exclusions apply	$1,582.00checked Nov 13, 2026	Out of stock	Buy at Brownells

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Lowest in-stock price in the last 30 days: $1,344.70 at MidwayUSA. Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Brownells	$1,582.00	$1,582.00	$1,582.00
MidwayUSA	$1,344.70	$1,344.70	$1,344.70

Since Sep 28, 2026.

About this part

The Mk12 Mod-H .223/5.56 16" Bbl Complete Uppr Rcvr BLK is an AR-15 complete upper receiver from Precision Reflex, Inc.. It's sold by 2 stores (1 in stock), from $1,344.70 to $1,582.00. The lowest in-stock price in the last 30 days was $1,344.70 at MidwayUSA.

From the manufacturer

PRECISION REFLEX, INC MK12 MOD-H .223/5.56 NATO COMPLETE UPPER RECEIVER FOR AR-15 TheMK12 Mod H upper is 16.5" barreled upper with capable MOA accuracy. The flat top receiver has a Gas BusterA(R) charging handle with military big latch, Pri rifle length black finished forearm, recce top rail that connects to the forearm rail. The upper also comes with a bolt carrier group, PRi's rail mounted flip up front and rear sights and AE brake and collar. The upper is designed to have two levels of top rails for mounting of night vision in front of scopes. All uppers are assembled cleaned and tested before shipping. Please allow 5~10 days for assembly and te Mfg: Precision Reflex, Inc.