Will it work for less than 20 yards?

It's three power so...at 20 yards I'd suggest open eye.

Is this clear with a stigmatism

Yes! Big difference. Without long explanation this works basically like a standard scope as opposed to the reflecting light of a red dot. This also means you get an etched reticle that works fine without illumination.. still gives perfect black reticle with dead batteries. I have their older model and it solved my astigmatism problem with red dots.

What kind of batteries dose it take?

Well uh, as it states on Amazon in the description....cr2032.

What would be the best fit riser to get for this optic?

It would depend on the person and weapon it's being put on. I got a low Mount riser the my AR but that was for the way I shoot. Will have to chance it and hope the one you get works for you.

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Monstrum P330-Bマークスマン 3X プリズムスコープ

Product ID: 769059093

Details

Brand
Monstrum
Color
Black
Compatible Devices
Rifle
Item Weight
17 Ounces
Magnification Maximum
3 x
Magnification Minimum
3 x

🎯Effective target acquisition up to 300 yards

🔍3x magnification for crisp mid-range clarity

🛡️Durable single-piece machined aluminum body

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R6347

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In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎯 Lock in precision, unlock your edge.

BUILT TO ENDURE - Hard-anodized aluminum construction ensures rugged durability at just 17 ounces—ready for any adventure.
CONFIDENCE GUARANTEED - Backed by Monstrum’s lifetime warranty, your investment is protected for life.
PRECISION IN EVERY SHOT - 3x magnification with a 30mm objective lens delivers razor-sharp images for fast, accurate targeting.
COMPACT POWERHOUSE OPTICS - Glass prism system outperforms traditional lenses in a sleek, lightweight design—see more, carry less.
ALL CONDITION RETICLE VISIBILITY - Reticle remains visible with or without illumination, adapting seamlessly to any lighting environment.

The Monstrum P330-B Marksman 3X Prism Scope combines advanced glass prism optics with a durable, lightweight aluminum frame to deliver fast, clear target acquisition up to 300 yards. Featuring a 3x magnification and 30mm objective lens, it offers superior optical clarity in a compact design. Its reticle is visible with or without illumination, ensuring versatility across lighting conditions. Engineered for reliability and backed by a lifetime warranty, this scope is the ultimate tool for serious marksmen seeking precision and durability.

Specifications

ASIN	B0BW7MYSBN
Amazon Bestseller	#794,292 in Electronics ( See Top 100 in Electronics ) #1,015 in Rifle Scopes
Brand Name	Monstrum
Color	Black
Compatible Devices	Rifle
Customer Reviews	4.2 4.2 out of 5 stars (80)
Eye Relief	88.9 Millimeters
Field Of View	39.3 Feet
Item Display Weight	480 Grams
Item Weight	17 Ounces
Lens Color	black
Magnification Maximum	3 x
Magnification Minimum	3 x
Manufacturer	Monstrum
Manufacturer Part Number	P330B-DX1
Material Type	Aluminum, Glass
Model Name	P330-B
Mounting Type	Picatinny Mount
Night vision	No
Objective Lens Diameter	30 Millimeters
Product Style	DX1 Reticle
Reticle Type	Circle Dots
Sport Type	Hunting
Thread Type	Picatinny
UPC	810088813603

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