I have an old Winchester tube fed .22, the scope rail is about 3/8” wide. Will this dove rail fit that so I can put a real scope on it ?

No, this fits on the regular picatinny rail. It is just a riser.

Will this fit a mosin nagant 9130

Haven't a clue. I dont think there are picinenny rails on M-N's

it says 0 or 20 moa. Is it adjustable from 0 to 20 moa?

I didn’t see where it said 0 to 20 MOA. I did see 0 vs 20 MOA. I had issues with my rails not being in spec and not able to accept my attachment. I tossed in the recycling bin as I waited to long to return.

which way is the front?

You can mount either side toward the front. Its just a preference on what side you want the screws to be accessed from. That may be based off what hand you shoot with or setup of the firearm.

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Monstrum Lockdown V3 Picatinny Riser Mount with Recoil Stop Base | 5.5 inch Length | 0 or 20 MOA

Product ID: 275353548

Details

Brand
Monstrum
Color
Black
Style
Low Profile |
Product Dimensions
5.5"L x 1.25"W
Item Weight
3.8 Ounces
Material
Aluminum

📏5.5 inch length with 13 rail slots

🔩Custom recoil stop bolts for zero wiggle

🛡️Lifetime warranty for lasting reliability

€ 36.92

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Description

🎯 Elevate your aim, lock your legacy.

LIGHTWEIGHT YET DURABLE - Crafted from premium aluminum, combining rugged strength with featherlight portability.
OPTIMAL HEIGHT LENGTH - 5.5-inch riser with 13 Picatinny slots offers versatile mounting options for scopes and red dots.
TAILORED PROFILE OPTIONS - Choose from Low, Medium, or High profiles to perfectly align your sight picture and shooting style.
CONFIDENCE BACKED BY WARRANTY - Lifetime warranty means your investment is protected for the long haul—no compromises.
PRECISION ENGINEERED STABILITY - Custom recoil stop bolts lock your optics in place, ensuring zero shift even under the harshest recoil.

The Monstrum Lockdown V3 Picatinny Riser Mount is a precision-crafted 5.5-inch aluminum mount featuring 13 rail slots and custom recoil stop bolts that guarantee zero movement under recoil. Available in multiple height profiles, it offers versatile, stable optic positioning backed by a lifetime warranty—perfect for professionals demanding uncompromising performance.

Specifications

ASIN	B08T6MPWHQ
Best Sellers Rank	#12,357 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #9 in Sporting Optics Mounts
Brand Name	Monstrum
Color	Black
Customer Reviews	4.5 4.5 out of 5 stars (456)
Date First Available	January 16, 2021
Item Package Dimensions L x W x H	5.83 x 1.38 x 1.02 inches
Item Weight	3.8 ounces
Manufacturer	Monstrum
Material	Aluminum
Model Name	V3
Package Weight	0.11 kg
Part Number	RM13-L-V3
Size	Low Profile \| 0.33 inch
Style	Low Profile \| 0.47 inch

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 36.92

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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