Radian Weapons Model 1 6mm ARC 18" 20+1 R0855
Radian
Overview
The Radian Weapons Model 1 6mm ARC 18" 20+1 R0855 is a charging handle. Compare prices from multiple merchants and find the best deal.
Specifications
September 2026 on GunPartPicker
Radian Weapons Model 1 6mm ARC 18" 20+1 R0855 ranked #28 of the 169 charging handles builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #33 of the 362 charging handles builders have added. Builds with this charging handle are mostly chambered in 5.56 NATO (83%, then .308 Win 17%), split between carbine-length (50%) and rifle-length (50%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today all 4 retailers we track have it in stock. Prices barely moved in September 2026, holding around $3,364.95, so there haven't been real sales lately. Buying today, the lowest price is $3,364.95 at MidwayUSA, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 26 builds that include this one
Desert Tech SRS-A2 Covert Rifle Chassis - SRSA2-CBBM00R
FightLite Industries MCR556DFRM AR-15 Upper 5.56x45mm NATO 16.25\" Black 7075-T6 Aluminum M-LOK Handguard
ODIN Works Enhanced 9mm Black Nitride Bolt Carrier Group
Magpul AFG2 Angled Fore Grip - OD Green
GEISSELE AUTOMATICS GFR
LWRC ICMKII 556 10" SBA3 FDE
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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