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Established 2006. Kent's Only Authorised 5.11 Tactical Retailer

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Protect the optic you paid for

Scopes and red dots are among the most expensive items on an airsoft rifle, yet the lens sits right in the firing line. The SMK Round Mount Lens Protection places a tough acrylic shield in front of your optic so a stray BB strikes a replaceable panel instead of your glass.

Solid metal mount

Unlike flimsy plastic guards, this protector uses a solid metal mount that clamps securely to any 20mm RIS or Picatinny rail. The rounded top is shaped to follow the contours of ACOGs and similar round-bodied scopes for a clean, purposeful fit.

Two lenses for any light

The set includes a clear lens for bright days and a high-contrast yellow lens that sharpens definition when the light drops or the weather turns grey, a genuine advantage on wooded and CQB sites.

Fold-down convenience

When you need a fully clear sight picture or want to refit your dust covers at the end of the day, the protector folds down out of the way in seconds. Pair it with the rest of your airsoft accessories for a rig that is ready for anything.

General
BrandSMK
Other
TypeFlip-up scope lens protector
Mount20mm RIS / Picatinny
Mount MaterialMetal
Lens MaterialAcrylic
Lenses Included1x clear, 1x high-contrast yellow
Lens ShapeRounded top for ACOG-style optics
FoldingFlips down for reticle access
FitmentAny 20mm RIS rail

Frequently asked questions

What optics does this suit?

The rounded top is shaped to match ACOGs and similar round-bodied scopes, but it mounts to any 20mm RIS or Picatinny rail so it works with a wide range of optics.

Why are two lenses included?

You get a clear lens for general use and a high-contrast yellow lens that lifts brightness and definition in low light or overcast conditions.

Can I still see my reticle clearly?

Yes. The acrylic protector is transparent, and it folds down out of the way when you need an unobstructed view or want to refit your dust covers.

How does it attach?

It clamps quickly onto any standard 20mm RIS rail in front of your optic, so no gunsmithing is required.

Is it worth fitting?

A direct BB hit can crack an unprotected scope lens. This inexpensive guard takes the impact instead, which is cheap insurance for a valuable optic.