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Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
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COLT - Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle

Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle
Brownells #
430103506
MFR #
RETRO4X-COLT
UPC
050806500396
$399.99
Coupon Code
Purchase Limit Help

Out of Stock

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Specifications
Eye Relief (Maximum Inches):
3.11
Cartridge:
5.56x45 NATO
Battery Type:
No
Click Value:
1 MOA
Item Height (Inches):
3.150
Eye Relief (Minimum Inches):
3.11
Focal Plane:
Fixed
Color:
Black
Item Length (Inches):
6.100
Finish:
Matte
Max Magnification:
4
Item Weight (lbs):
0.831
Item Width (Inches):
1.850
Hand:
Ambidextrous
Model Number:
Retro 4X
Mount Type:
Not Included
Objective Size:
21
Illumination:
No
Quantity:
1
Material:
Aluminum
Min Magnification:
4
Reticle Type:
Duplex
Scope Tube Diameter:
35mm
Restriction
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What is the COLT - Colt AR-15 4x21mm Carry Handle Scope Fine Duplex Reticle?

Colt AR-15/M16 Colt™ 4X Retro Carry Handle Scope - Classic Design, Modern Optics

A Vintage Tribute That Performs Like New

The Colt AR-15/M16 Colt™ 4X Retro Carry Handle Scope is a faithful revival of the 1970s-era Colt carry-handle optics, crafted by the same Japanese manufacturer who made the originals. Brownells worked with them to recreate everything down to the iconic yellow inspection sticker-but under that retro exterior lies a thoroughly modern optical platform. Fully multi-coated lenses are waterproof and fog-proof, ensuring tough, reliable performance in all environments.

Direct-Mount Simplicity

This scope attaches directly to any standard AR-15/M16 carry handle without tools. Its integral mount makes installation fast and secure, preserving the classic silhouette while upgrading functionality.

Optics Tuned for the AR Platform

For precision out to distance, the scope features a simple duplex reticle with a click-adjustable elevation turret calibrated in BDC (ballistic drop compensation) increments tailored to .223/5.56 mm rounds (55–62 gr bullets). The turret settings align with common engagement ranges-from around 200 up to 500 yards-giving shooters reliable holdover without guesswork.

Sized for Classic Builds, Built Tough

With a 35 mm tube and compact dimensions-roughly 6.1″ long, 3.15″ tall, and 1.85″ wide-the Colt Retro 4X Scope retains that iconic form factor. It weighs approximately 12.7–13.3 oz and sports a matte black finish that complements vintage ARs. Its aluminum construction balances light weight with rugged strength.

Modern Clarity, Vintage Style

Shooters across forums praise this optic’s clear glass and authentic appearance. One user described their experience at the range as “flawless” in function, while others admire how it scratches onto the carry handle-just like the old-school originals-reinforcing the nostalgic aesthetic.

Specifications at a Glance

Feature

Specification

Magnification

Fixed 4X

Objective Lens

21 mm

Reticle Type

Fine duplex

Elevation Adjustments

BDC clicks calibrated for 55–62 gr .223/5.56

Mount

Integral, no tools required

Tube Diameter

35 mm

Dimensions (L × H × W)

6.1″ × 3.15″ × 1.85″

Eye Relief

3.11″

Weight

12.7–13.3 oz

Construction

Aluminum, matte finish

Optics

Fully multi-coated; waterproof, fog-proof

Origin

Manufactured in Japan (retro optic specialist)

Why Shooters Choose the Colt Retro Carry Handle Scope

For anyone building or preserving an AR from the Vietnam era, or simply loving the retro aesthetic-this optic delivers both in form and function. You get hard-edged BDC tracking, sharp, modern clarity, and seamless carry-handle compatibility-all in a historically accurate package.

If you're aiming for authenticity without sacrificing performance, this is your match. Ready to complete your vintage build with prime optics? Choose the Colt AR‑15/M16 Colt™ 4X Retro Carry Handle Scope and bring heritage and precision together in perfect harmony.

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