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Red Right Hand

Red Right Hand RECCE IAR V2

Purpose-built IAR upper with barrel heat sinks, Superlative Arms short-stroke piston, and Shaw 14.5" Block 4 barrel. Designed for the auto-rifleman role.

Quick Specs

Price
$1,510
Weight
5 lb
Brand
Red Right Hand
Category
upper

Features

  • 5.56 NATO, 14.5" Block 4 barrel (.850" BAR profile)
  • 4150 CMV, chrome-lined, 1/7 twist
  • Mid-length gas, Superlative Arms short-stroke piston
  • 6061 aluminum heat sink system
  • Midwest Industries 12.65" Combat Rail
  • SA bolt carrier with MPI 9310 bolt
  • Ships with charging handle

Capability Boosts

Reliability+3
Suppression+1

Recommended For

Outdoor Defense+4
Home Defense+3
Duty/Patrol+3

Compatibility Tags

family: ar-patterninterface: picatinny-tophandguard: mlokbarrel: standard

Overview

Red Right Hand's RECCE IAR V2 is a purpose-built civilian Infantry Automatic Rifle upper designed to handle sustained fire without sacrificing the weight and handling of a standard carbine. The concept mirrors the USMC's M27 IAR program: replace belt-fed volume with a magazine-fed rifle that can sustain higher rates of fire than a standard infantry weapon.

The core of the V2 is Red Right Hand's Heat Mitigation System. The 14.5" Block 4 barrel is encased in machined 6061 aluminum heat sinks that pull thermal energy away from the chamber and barrel, dramatically extending the round count before cook-off temperatures. Shaw Barrels manufactures the Block 4 barrel specifically for integration with these heat sinks, using machine gun-rated 4150 CMV steel with chrome lining and a 1/7 twist.

The Superlative Arms short-stroke piston system replaces the standard direct impingement gas path. This pushes combustion gas and heat forward toward the heat sinks rather than back into the receiver, keeping the bolt carrier group and lower receiver significantly cooler. The piston is adjustable via Allen key, allowing end users to tune for different ammunition, buffer weights, and suppressor configurations. The upper ships complete with the SA bolt carrier, Red Right Hand's OEM mil-spec 9310 MPI bolt, and the buyer's choice of charging handle.

Key Features

  • 6061 aluminum barrel heat sinks (Heat Mitigation System)
  • Shaw 14.5" Block 4 barrel, .850" BAR profile, 4150 CMV, chrome-lined
  • Superlative Arms short-stroke piston with adjustable gas
  • Mid-length gas system
  • Midwest Industries 12.65" Combat Rail (M-LOK)
  • Complete upper: SA bolt carrier, MPI 9310 bolt, charging handle included
  • Gunsmith-level assembly, built to order

Pros

  • +Heat Mitigation System dramatically extends sustained fire capability
  • +Short-stroke piston pushes heat forward, keeps receiver cooler
  • +Adjustable gas for suppressor and ammo tuning
  • +Only 4-5 oz heavier than a standard HBAR upper despite heat sinks
  • +Complete upper: bolt carrier and charging handle included
  • +Chrome-lined, machine gun-rated barrel built for high round counts

Cons

  • Limited availability; small-batch, built to order with 6-8 week lead time
  • Proprietary heat sinks prevent aftermarket handguard swaps
  • Premium pricing for an upper alone
  • Superlative Arms piston kits have intermittent supply constraints

Detailed Specifications

barrel
14.5" Block 4, .850" BAR profile
barrelMaterial
4150 CMV, chrome-lined, nitride finished
twist
1:7
chambering
5.56 NATO
gasSystem
Mid-length, Superlative Arms short-stroke piston
heatManagement
6061 aluminum barrel heat sinks
handguard
Midwest Industries 12.65" Combat Rail, M-LOK
upperReceiver
Mil-spec, lapped
bcg
Superlative Arms piston bolt carrier, 9310 MPI bolt
chargingHandle
Buyer's choice (included)
muzzleDevice
Multiple options available
threadPitch
1/2x28
madeIn
USA

Compatible Platforms

+54 more

Pairs Well With

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