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Daniel Defense

Daniel Defense Rock & Lock Fixed Iron Sight Set

Complete fixed front and rear set with Rock & Lock mounting

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Quick Specs

Price
$162
Weight
4 oz
Brand
Daniel Defense
Category
buis

Features

  • 6061-T6 aluminum
  • Type III hard anodized
  • Rock & Lock attachment
  • Fixed (non-folding)

Capability Boosts

Reliability+1

Recommended For

Home Defense
Duty/Patrol
Outdoor Defense

Compatibility Tags

family: modern-riflefamily: ar-patterninterface: picatinny-top

Overview

The Daniel Defense Rock & Lock Fixed Iron Sight Set is the complete front-plus-rear bundle for shooters who want classic fixed irons on a Picatinny rail without compromising on hardware quality. Both sights are machined from 6061-T6 aluminum and finished with Type III hard coat anodizing for corrosion resistance. The rear sight is the A1.5 dual-aperture design with precision windage adjustment; the front is a standard A2-style post adjustable for elevation with a standard front sight tool.

The Rock & Lock mounting system is what separates this set from generic clamp-on BUIS. Rock & Lock uses a hinged clamp that pivots into the rail and locks against a recoil shoulder, generating more clamping force than a standard cross-bolt screw without overtightening. The result is a sight that doesn't shift zero under repeated heavy fire, which matters for fixed irons where there's no folding mechanism to absorb misalignment. Installation requires a 1/8" hex key but no torque wrench.

Use cases: clone builds (the A1.5 rear pairs visually with M4-pattern carbines), duty rifles where folding mechanisms are points of failure, training rifles where you want sights that always work without thinking about deployment state, and shooters who run no optic and want irons-only iron sights instead of folding BUIS. The trade-off vs folding sights is permanent rail real estate — fixed irons never get out of the way of a low-mount red dot. Pair this set only on builds where you're committed to either irons-only or a co-witnessing red dot at standard 1.42" height.

Key Features

  • Complete fixed front and rear set
  • 6061-T6 aluminum construction, Type III hard anodized
  • Rock & Lock quick-attach rail mounting
  • A1.5 dual-aperture rear (precision and CQB)
  • A2-style adjustable front sight post
  • Standard AR carbine sight height (1.42")
  • Daniel Defense USA-made with lifetime warranty

Pros

  • +Complete set vs the rear-only A1.5 listing
  • +Rock & Lock mount holds zero better than cross-bolt clamps
  • +Fixed design eliminates folding-mechanism failure points
  • +Pairs cleanly with M4-pattern clone builds aesthetically

Cons

  • Fixed design occupies rail real estate permanently
  • No fold-down option for low-mount red dot clearance
  • Direct-vendor only (no OpticsPlanet listing)
  • Premium pricing for non-folding irons

Detailed Specifications

Material
6061-T6 aluminum
finish
Type III hard coat anodized
mountingSystem
Rock & Lock quick-attach
rearAperture
A1.5 dual aperture (CQB and precision)
frontPost
A2-style adjustable
sightHeight
1.42" above rail
Mount Type
MIL-STD-1913 Picatinny
countryOfOrigin
USA

Compatible Platforms

+150 more

Pairs Well With

Top matches

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