Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Questions & Answers
Does this sight come with the mount Expert Answer

Yes, the Monstrum 1-4x20 Rifle Scope includes:
1-4x20 Scope, Scope Rings, Detachable Throw Lever, CR1632A Battery, Lens Cloth, Lens Cover.

by Ethan, Gear Expert, March 27, 2024
Going on top of a 50 cal Knight Muzzleloader. Will this mount with no problems? And will it take the recoil? Expert Answer

Monstrum does not state if the Monstrum 1-4x20 Rifle Scope can withstand the recoil of a 50 Cal muzzleloader. I recommend contacting the manufacturer for that information.

by Hunter, Gear Expert, September 15, 2022
Customer Reviews
Helpful Positive Review
These guys get better and better. I recently one of their 'spectre' line of scopes. These things are packed with features and value. Yes, there's quality issues with any lower end budget scope made in China, and let's be straight, that's exactly what...
Read More...
1/1 found this helpful
Helpful Positive Review
Monstrum scope by John, Verified Owner, January 22, 2021
I'm extremely satisfied with this product, and it preformed as expected. Easy install and, looks really good on my AR pistol. Very pleased with packaging and delivery time. I recommend this product. Will shop here again
2/2 found this helpful
Helpful Negative Review
Wasted money by A G, Verified Owner, January 25, 2021
I bought this scope for the 22 rifle. Poor quality optics. Focus adjustment does not work. If the reticle is in focus then the target is blurred and vice versa. I have other scopes and I have never had a similar problem.
2/8 found this helpful
Read All 3 Reviews
Objective Lens Diameter:
20 mm
Magnification:
1 - 4 x
Reticle:
Illuminated Rangefinder
Tube Diameter:
1 in
Illumination Color:
Green, Red
Eye Relief:
3.5 - 3.9 in
Color:
Flat Dark Earth
Weight:
11 oz
Adjustment Click Value:
1/2 MOA
Adjustment Type:
MOA
Illumination Type:
LED
Battery Type:
Lithium
Fabric/Material:
6061 Aluminum
Shockproof:
Yes
Included Accessories:
Standard Medium Profile, Black Scope, Detachable Throw Lever, CR1632A Battery, Lens Cloth, Lens Cover
Magnification Type:
Variable
Condition:
New
Gun Type:
Rifle
Attachment Type:
Picatinny
Mount Type:
Picatinny

Code: MON-RS-MONRSC10-TS1420-R-RG

MPN: TS1420-R-RG

UPC: 740016797647

Product No Longer Available

Product Info for Monstrum 1-4x20 Rifle Scope

The Monstrum Tactical S1420-R-RG is a high performance tactical scope, providing crystal clear optics at 1 to 4 times magnification for close to mid range shooting. It comes equipped with an illuminated Rangefinder reticle which can be viewed in red or green illumination and in multiple brightness intensities, or viewed in black without illumination, for a suitable sight picture regardless of lighting or environment. Crafted from aircraft grade aluminum, the scope is both sturdy and lightweight, with a 1 inch sealed, nitrogen charged tube for resistance to water and fog. The scope is 8.5 Inches in length, 2 Inches in width, 1.8 Inches in height and 11 ounces in weight. The scope is available in black or in flat dark earth. It comes with lens covers and one 3V CR1632 battery. The package also includes a set of 1 inch high profile scope rings. The rings mount to any flat top Picatinny rail equipped rifle. High profile in height, they measure 0.39 inches from the base of the mount to the bottom of the rings. Constructed from aerospace aluminum, the rings are both lightweight and durable.image

Package Contents:

  • Monstrum 1-4x20 Rifle Scope

Riflescope Accessories

1–60 / 60
Previous
Next

Firearm Case

1–24 / 24
Previous
Next

Riflescope Rings

1–13 / 13

Related Products to Monstrum 1-4x20 Rifle Scope

Monstrum 1-4x20 Rifle Scope Unavailable & Discontinued Models

List of Unorderable Models

  • Monstrum 1-4x20 Rifle Scope with Rangefinder Reticle and Medium Profile Scope Rings, Flat Dark Earth, TS1420-R-RG , MPN: TS1420-R-RG , UPC: 740016797647 , Code: MON-RS-MONRSC10-TS1420-R-RG
  • Open Box, Dealer Demo, Monstrum 1-4x20 Rifle Scope with Rangefinder Reticle and Medium Profile Scope Rings, Black, S1420-R-RG , MPN: S1420-R-RG-DMO , Code: MON-RS-MONRSC10-S1420-R-RG-DMO
  • Monstrum 1-4x20 Rifle Scope with Rangefinder Reticle and Medium Profile Scope Rings, Black, S1420-R-RG , MPN: S1420-R-RG , UPC: 740016797265 , Code: MON-RS-MONRSC10-S1420-R-RG
Compare (0)