

🔫 Reload faster, stay sharper — ammo at your side, always.
The Monstrum Picatinny Side Saddle Ammo Holder is a precision-engineered accessory designed exclusively for 12 gauge shotgun shells. It securely holds 6 spare shells on any Picatinny rail without requiring gunsmithing, featuring a low-profile design that won’t interfere with optics or mounting rings. Built for durability and backed by a lifetime warranty, it’s the perfect upgrade for professionals who demand quick access and reliable performance.











| ASIN | B0C86PG9G3 |
| Best Sellers Rank | #44,804 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #226 in Ammunition & Magazine Pouches |
| Brand Name | Monstrum |
| Customer Reviews | 4.6 4.6 out of 5 stars (301) |
| Date First Available | June 15, 2023 |
| Item Dimensions LxWxH | 2 x 2 x 1 inches |
| Item Package Dimensions L x W x H | 6.57 x 2.83 x 1.26 inches |
| Manufacturer | Monstrum |
| Package Weight | 0.13 Kilograms |
| Part Number | ZH139 |
| Style | 12 Gauge |
S**S
Fits well, looks good and does the job. Excellent.
Very well made, solid with a good quality finish. It came with Allen tool and an extra screw. Fitted tightly on the rail to provide easy access to extra shells, which are held in place perfectly. Looks great and works well. All of the Monstrum items that I have ordered - lots of different rails, have been excellent quality and perform well.
M**N
Great holder
Works great, easy to install, good quality, good length, looks awesome, overall great value. I recommend it.
T**D
I made it work
I purchased this for my Marlin 1895 SBL. While it does fit on the rifle, the 45-70 cartridges would be extremely tight, so tight in fact it would almost be impossible to remove one. I reamed the holders out with a large drill bit and cut the plastic in between each loop as to allow a little more flexibility in the plastic. Now the cartridges fit great. I did try 243 and 30-30, which fit fine before I modified it, but if you want this for a larger cartridge, be prepared to modify it. Otherwise, this shell carrier seems to be of great quality.
N**N
Works well, but is a bit bulky
The way this mounts to a sight rail makes it easy to mount, but after using it for a couple of weeks, I found that it adds too much weight and bulk for me. I want something that will hold the extra shells closer to or against the receiver; it's a personal preference. This is a well-made shell carrier, mounts easily and solidly, and holds the shells securely.
A**R
Well built
Works as advertised, fits on my mount with room for red dot, is out of the way, plus.....it looks cool!
M**E
Pleasantly surprised
Pleasantly surprised with the quality of this and how well it sticks to the rail.
K**M
Hmmm
Solid build and worth the $. May get in the way of some sights.
L**N
nice
does as it should
Trustpilot
3 weeks ago
1 month ago