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🎯 Elevate your aim, lock your legacy.
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.
| ASIN | B08T6MPWHQ |
| Best Sellers Rank | #10,279 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #10 in Sporting Optics Mounts |
| Brand Name | Monstrum |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (455) |
| 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 |
J**D
Works well
Simple, mounts well, easy to install. Excellent product to get a little lift and eye relief for you scope
T**R
Good quality part
This worked perfectly. It looks great. It fits great. I’m very happy with my purchase.
T**5
The Size and height I needed
What's there to say? It's a riser, this is the height I needed. I have had NO ISSUES with any Monstrum products.
R**Y
Another not-quite-perfect budget heavy hitter from Monstrum
If you're familiar at all with Monstrum you already know what to expect. A surprisingly quality product made to an impressive standard for absolute bargain pin prices, but with issues present that make it difficult to recommend without asterisks. Pros: - Sturdy feeling, three screws really does lock it down hard. Not bendable with bare hands even when removed from a rifle. - Occupies almost the full length of a flat top. Long enough to comfortably fit a sight and magnifier. - Lifts well clear of a front sighted gas block - Very light for how much rail it covers - Well aligned with bore axis - Cheap! Hard to overstate how cheap this sucker is for a durable long riser Neutral: - Even low lifts completely clear of iron sights. Even if the length didn't block a rear sight at gas block level, it is clear of 1/3rd cowitness position - Occupies *almost* the full length of a flat top. Short by about one picatinny groove on mine. If put all the way forward, this leaves a lot of a clearance for the charging handle. Too much in my opinion, ymmv. Cons: - No torque spec provided; seems to be made out of aluminum and I was worried about overtightening - No threadlocker included and threadlocker is needed for a mount with screws like this - huge holes on either end are visually unattractive and create a long open section that's irritating to clean were it get dirt or grime in it - Two part assembly is a fiddly to get installed. Screws are not long enough to thread and then place on to rail, both pieces need to be pinched in place and screws threaded. - While visually aligned, I'm not sure how much I would trust that alignment for a more precision rifle with higher magnification. I do not have the proper equipment to measure how well it is actually aligned. - Big and garish Monstrum logo on the side
J**A
Super nice
I started by printing a riser to see what height would be best. Really just needed a low profile one. Fits great and feels sturdy.
F**R
Good
Works as it was designed. Good product.
K**H
Low Picatinny Riser Mount
Does what it's supposed to do at a good price point w/fast delivery by Amazon A+
M**N
Happy with my purchase
Met my expectations and decent quality.
Trustpilot
3 weeks ago
2 weeks ago