AR-15 Workhorse Upper Receivers- No BCG Or Charging Handle - AR-15 Workhorse 10.5 Upper M-LOK 1-7 Twist 5.56 NATO

Name: AR-15 Workhorse Upper Receivers- No BCG Or Charging Handle - AR-15 Workhorse 10.5 Upper M-LOK 1-7 Twist 5.56 NATO
Brand: Battle Arms Development
Availability: InStock

Battle Arms Development · Upper Receiver

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Best price

$524.95at Brownells

In stock checked Oct 1, 2026

Buy at Brownells

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Where to buy

Store	Price	Availability	Buy
Brownells Best price	$524.95checked Oct 1, 2026	In stock	Buy at Brownells
Ammunition Depot	$524.95checked Oct 1, 2026	In stock	Buy at Ammunition Depot
MidwayUSA	$524.95checked Oct 1, 2026	In stock	Buy at MidwayUSA
Palmetto State Armory	$524.99checked Oct 1, 2026	Check store	Buy at Palmetto State Armory
OpticsPlanet	$524.95Salechecked Oct 1, 2026	Out of stock	Buy at OpticsPlanet

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: $524.95 at Ammunition Depot. Dashed line = out of stock. Tracking since Sep 27, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
Ammunition Depot	$524.95	$524.95	$524.95
Brownells	$524.95	$524.95	$524.95
MidwayUSA	$524.95	$524.95	$524.95
OpticsPlanet	$524.95	$524.95	$524.95
Palmetto State Armory	$524.99	$524.99	$524.99

Since Sep 27, 2026.

About this part

The AR-15 Workhorse Upper Receivers- No BCG Or Charging Handle - AR-15 Workhorse 10.5 Upper M-LOK 1-7 Twist 5.56 NATO is a 5.56 / .223 upper receiver from Battle Arms Development. It's sold by 5 stores (3 in stock), from $524.95 to $524.99. The lowest in-stock price in the last 30 days was $524.95 at Ammunition Depot.

Fits and works with

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

Specifications

Manufacturer: Battle Arms Development
Platform: AR-15
Caliber: 5.56 mm NATO

From the manufacturer

Available from Battle Arms Development, the WORKHORSEA(R) Upper Receiver available in both 10.5" and 16" options! These upper receiver sets do not come with a Charging Handle or Bolt Carrier Group to allow for user customization. Barrel Length: 10.5" and 16" Gas System: Carbine Barrel Profile: A2 Barrel Steel: 4150 Chrome-Moly Vanadium Barrel Finish: Nitride Chrome Lining: None Muzzle Thread: 1/2-28 Chamber: 5.56 NATO Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low-profile Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 R Mfg: Battle Arms Development Inc.