No ratings yet
Be the first to review this product
Radian Weapons R0428 Builder Kit Radian Gray AX556 Ambi Lower 10 Handguard Includes Most Lower Parts\n\nIncludes: Billet Upper Receiver with Dust Cover, Anti-Rotation Pin & Light Weight Forward Assist Installed; Hand Guard with Magpul M-LOK Modular Attachment Interface; Radian A-DAC 15 Lower Receiver; Raptor-SD Ambidextrous Charging Handle; Radian Talon 45/90 Ambidextrous Safety Selector; Ambidextrous Bolt Catch & Release; Ambidextrous Magazine Release; Enhanced Takedown Pin Set; Aluminum Barrel Nut; Barrel Nut Wrench; 4x Hand Guard Cross Bolts, Washers & Nuts; Color: Radian Grey.\n\nKey Specs: Manufacturer - Radian Weapons; Caliber/Gauge - 5.56x45; Barrel Length - 10; Condition - New; SKU - LNG-RADN-R0428; Mfg Part Number - R0428; UPC - 817093026868.\n\nThis builder kit functions as a billet upper and lower receiver set designed for AR-15 platforms, enabling users to assemble a matched upper and lower with included components. Colorway is Radian Grey.\n
Sponsored
Cash for Arms
Instant offer on any firearm
No negotiating, no strangers at your door. Ship it and get paid.
Get an OfferHave one to sell?
Current
$1,254.95
Lowest
$1,254.95
Highest
$1,254.95
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertGuide
A comprehensive overview of every major component in an AR-15 build—including what's inside bolt carrier groups and parts kits—organized by assembly for new builders.
12 min read
Guide
A neutral guide to component strategies for left-handed shooters, left-eye dominant right-handed shooters, and those managing eye/hand dominance mismatches. Covers ambi uppers, charging handles, gas system tuning, and real-world tradeoffs.
6 min read