Rock River Arms

Rock River Arms LAR-15M All Terrain Hunter Complete Upper .223 Wylde 18 Barrel

All Rock River Arms upper receivers
Rock River Arms LAR-15M All Terrain Hunter Complete Upper .223 Wylde 18 Barrel - Upper Receiver for AR-15 - view 1
Rock River Arms LAR-15M All Terrain Hunter Complete Upper .223 Wylde 18 Barrel - Upper Receiver for AR-15 - view 2
Buy Now

Rock River Arms

Overview

The Rock River Arms LAR-15M All Terrain Hunter Complete Upper is designed for builders who want a reliable and versatile upper receiver compatible with both .223 Remington and 5.56 NATO cartridges, thanks to its .223 Wylde chamber. With an 18-inch barrel, this complete assembly strikes a balance between maneuverability and accuracy, making it suitable for a variety of shooting applications. This upper commonly features in hunting and precision builds, offering a solid foundation for a well-rounded AR-15 setup.

Specifications

MPNAR0598.V1
Barrel Length18
AssemblyComplete
PlatformAR-15
Caliber.223 Wylde
ColorBlack

Available Merchants(5)

Prices checked

Price Alert

Get an email if the price drops 10% or more.
Optics Planet logo
Optics Planet
Free shipping
Shipping Speed
In Stock
$580
Buy Now
BattleHawk Armory logo
BattleHawk Armory
Shipping varies
Shipping Speed
Out of Stock
$547
Buy Now
KY Gun Company logo
KY Gun Company
Flat rate shipping
Shipping Speed
Out of Stock
$625
Buy Now
Classic Firearms logo
Classic Firearms
Shipping varies
Shipping Speed
Out of Stock
$633
Buy Now
Palmetto State Armory logo
Palmetto State Armory
Free shipping
Shipping Speed
Out of Stock
$657
Buy Now

September 2026 on GunPartPicker

Rock River Arms LAR-15M All Terrain Hunter Complete Upper .223 Wylde 18 Barrel ranked #267 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders on GunPartPicker first added it to a build in May 2026.

It was hard to find in September 2026, in stock on only 2 of the 14 days we checked, and today only Optics Planet has it in stock. It dipped to $603.75 at KY Gun Company for a stretch in September 2026, under its usual $624.99, so sales do come around. Buying today, the lowest price is $579.99 at Optics Planet, which matches the best price we saw in September.

Trending upper receivers →

Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers

Not sure which upper receiver to pick?

We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.

Read the guide: Most Popular AR-15 Upper Receivers →

Check it against the live catalog:

Frequently Built With

Popular alongside upper receivers on GunPartPicker

Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger

Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger

Trigger
Bravo Company M16 Bolt Carrier Group Black

Bravo Company M16 Bolt Carrier Group Black

Bolt Carrier Group
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers

Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers

Charging Handle
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green

Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green

Charging Handle
Magpul AFG-2 Angled Fore Grip - Black

Magpul AFG-2 Angled Fore Grip - Black

Foregrip
CMMG AR-15 HD Pivot and Takedown Pin Parts KIT - 55AFF3B

CMMG AR-15 HD Pivot and Takedown Pin Parts KIT - 55AFF3B

Takedown Pin

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Gas System

50.3%
Mid-Length50.3%
Carbine25.7%
Pistol11.5%
Rifle10.9%
Blowback1.3%
Other0.3%

Review this product

Share your thoughts with other customers

Be the first to review

No reviews yet. Be the first to review this product!