LONSEL

Dovetail to Picatinny Rail Adapter 11mm Dovetail to 21mm Picatinny Rail Convert Mount - Low Profile Scope Riser Rail Adaptor - Base Mount 3/8" to 7/8" Converter

Name: LONSEL Dovetail to Picatinny Rail Adapter 11mm Dovetail to 21mm Picatinny Rail Convert Mount - Low Profile Scope Riser Rail Adaptor - Base Mount 3/8"
Brand: LONSEL
SKU: B0982V87YJ
Price: 6.98 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-07-22

$6.98

Buy on Amazon — $6.98 Compare to similar graphics & video

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

Bottom line: The Dovetail to Picatinny Rail Adapter 11mm Dovetail to 21mm Picatinny Rail Convert Mount - Low Profile Scope Riser Rail Adaptor - Base Mount 3/8" to 7/8" Converter is a niche pick — read recent reviews before buying in the graphics & video category, priced around $6.98. Read recent reviews carefully before committing.

Lightweight & Durable｡◕‿◕｡Precision Machined from aircraft grade aluminum and finished in a matte black hard coat anodize, durable solid structure.11mm To 21mm Rail Convert Adapter｡◕‿◕｡Compatible with 11mm or 3/8" dovetail mounts, can be used to convert to 21mm picatinny rail mount.Low Profile Riser Rail Design｡◕‿◕｡ 3.94"/100mm length single picatinny rail with 9 Slots with a 0.59" saddle height riser rail.｡◕‿◕｡ 4.72"/120mm length single picatinny rail with 11 Slots with a 0.59" saddle height riser rail.Easy to Install｡◕‿◕｡Three high strength locking screws ensure a solid mount-to-receiver…

SpecPicks Verdict

SpecPicks classifies LONSEL Dovetail to Picatinny Rail Adapter 11mm Dovetail to 21mm… as a niche pick — read recent reviews before buying in the graphics & video category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. LONSEL's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for graphics & video of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by LONSEL's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

Precision Material: Premium out of aircraft grade aluminum alloy and black hard coat anodize finish, sturdy & durable.
Convert 11 mm Dovetail to 21 mm Picatinny Rail: 2.94 inches length at the base, the picatinny rail extends 3.94 inches allowing for more flexible optics placement.
Mount Base: Fit 11 mm dovetail mounts, Base mount 3/8" to 7/8" converter adapter. Low profile 0.59" riser rail for scope.
Top With 9 Slots Style Rail: Top 21mm picatinny rail allows for the mounting of picatinny standard scopes, red dots or other accessories.
Easy To Install: Rail adaptor installs easily via dovetail mount and one vertical stop pin, attached allen wrench can help you to tight stable and no shaking.

Full Specifications

Brand	LONSEL
Color	‎Black
Style	‎1 PACK - 9 Slots
Material	‎Aluminum
Mount Base	Fit 11 mm dovetail mounts, Base mount 3/8" to 7/8" converter adapter. Low profile 0.59" riser rail for scope.
Package Weight	‎0.06 Kilograms
Easy To Install	Rail adaptor installs easily via dovetail mount and one vertical stop pin, attached allen wrench can help you to tight stable and no shaking.
Precision Material	Premium out of aircraft grade aluminum alloy and black hard coat anodize finish, sturdy & durable.
Top With 9 Slots Style Rail	Top 21mm picatinny rail allows for the mounting of picatinny standard scopes, red dots or other accessories.
Item Package Dimensions L x W x H	‎5.83 x 3.15 x 0.75 inches

Ready to buy?

LONSEL Dovetail to Picatinny Rail Adapter 11mm Dovetail to 21mm Picatinny Rail Convert Mount - Low Profile Scope Riser Rail Adaptor - Base Mount 3/8" to 7/8" Converter is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.