Colt AR-15 4X21mm Carry Handle Scope Fine Duplex Reticle Optic - RETRO4X-COLT
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Colt
Overview
The Colt AR-15 4X21mm Carry Handle Scope is a fixed power optic designed specifically for AR-15 platforms, offering a 4X magnification that enhances target acquisition while maintaining a compact profile. The 21mm objective diameter provides a bright and clear sight picture, while the fine Duplex reticle aids in precision aiming without obstructing the view of your target. This scope is commonly found in builds chambered in 5.56 NATO, making it a solid choice for both tactical and range applications.
Specifications
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Stock Alert
September 2026 on GunPartPicker
Colt AR-15 4X21mm Carry Handle Scope Fine Duplex Reticle Optic - RETRO4X-COLT ranked #26 of the 97 rifle scopes builders added on GunPartPicker in September 2026. Builders on GunPartPicker first added it to a build in February 2026.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, but today the one retailer we track is out of stock. Prices barely moved in September 2026, holding around $399.99, so there haven't been real sales lately. Listed prices start at $399.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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