The MTM Case-Gard P-100 22 WMR / 17 HMR Ammo Box, Red Polypropylene, 100-Round (P10022M29, UPC 026057118291) is a compact flip-top ammunition storage case engineered specifically for rimfire cartridges like 22 Winchester Magnum Rimfire (22 WMR) and 17 Hornady Magnum Rimfire (17 HMR). Molded from durable polypropylene with a scuff-resistant textured surface, it provides organized, protected storage for up to 100 rounds in a clear red, stackable format suitable for range use, transport, and long-term shelf storage. Palmetto State Armory+2MTM Case-gard+2
Model Identification and Caliber Compatibility
This MTM Case-Gard ammunition box is identified with the following catalog and inventory details:
Each cartridge is stored in its own upright cell, helping prevent tip deformation and allowing easy visual inspection and counting.
Construction, Material, and Finish
The P-100 22M-29 case is formed from tough polypropylene, selected for its resistance to cracking, warping, and deformation over time:
MTM notes for the P-100 series that the polymer is formulated not to warp, crack, chip, peel, expand, or contract under normal conditions, contributing to long-term durability in storage or transport. Cheaper Than Dirt
Capacity, Layout, and Internal Organization
The MTM Case-Gard P-100 P10022M29 is arranged as a 100-round flip-top ammo box:
This arrangement supports quick counting and organized reloads for varmint hunting, plinking sessions, or extended range trips where large quantities of rimfire ammunition are used.
Flip-Top Lid, Hinge, and Latch System
The P-100 series uses a flip-top lid with several structural features aimed at reliability:
This combination helps ensure that the box opens smoothly, stays closed when required, and withstands repeated use over many years.
External Dimensions and Stackability
Retailer specifications provide approximate dimensions for the P10022M29 case:
While compact, the case is designed with stacking feet so that multiple P-100 boxes can be stacked securely on shelves or in storage containers, maintaining stability and organization. MTM Case-gard+2TLO Outdoors+2
The textured exterior provides additional grip when carrying or moving stacked cases.
Labeling and Identification
Each MTM Case-Gard P-100 ammo box includes features to help track reloads and contents:
Load label included: A paper load label is supplied so shooters can record caliber, bullet weight, powder charge, and other load data. MTM Case-gard+2customgunsolutions.com+2
Calibers listed on the bottom: MTM notes that compatible calibers are listed on the underside of the case, offering quick reference even after labels are replaced or removed. Palmetto State Armory+1
This is particularly useful for reloaders and shooters who maintain multiple cases for different loads or calibers.
Use Cases and Environment
The P10022M29 100-round ammo box is aimed at a broad range of rimfire shooters:
Varmint hunters: As noted by MTM, designed for varmint hunters who need organized 22 Mag / 17 HMR ammunition for extended field sessions. MTM Case-gard+1
Weekend plinkers and recreational shooters: Ideal for keeping bulk rimfire ammo separated and protected during range trips. MTM Case-gard+2TLO Outdoors+2
Reloaders and ammo organizers: Suitable for handloads or repacking factory rounds, with labeling and stacking features that simplify long-term shelf storage.
The rugged polypropylene body and flip-top design make the case suitable for range bags, truck boxes, or bench storage, as long as normal precautions are taken to keep ammunition in a cool, dry place.
Manufacturing Origin and Warranty
MTM emphasizes that all Case-Gard products, including the P-100 series, are made in the USA at their facility in Dayton, Ohio. Palmetto State Armory+2MTM Case-gard+2
Warranty notes:
This long warranty period reflects the manufacturer’s confidence in the durability of the hinge and the underlying polymer construction.
Technical Specifications (Summary)
MTM Case-Gard P-100 Ammo Box – P10022M29
Brand: MTM Case-Gard
Series: P-100 Original Series
Model / MPN: P10022M29 / P-100-22M-29
UPC: 026057118291 Palmetto State Armory+2TLO Outdoors+2
Caliber compatibility: 22 WMR / .22 Magnum, 17 HMR (rimfire) Palmetto State Armory+2MTM Case-gard+2
Capacity: 100 rounds
Material: Polypropylene, tough impact-resistant polymer
Color: Clear red / translucent red
Surface: Scuff-resistant, easy-grip textured exterior
Lid style: Flip-top with Snap-Lok latch
Hinge: Full-length mechanical hinge with 25-year guarantee Palmetto State Armory+2MTM Case-gard+2
Stacking: Stackable design with molded feet
Included: Load label for ammunition data
Country of origin: Made in USA
By combining a 100-round capacity tailored to 22 WMR and 17 HMR cartridges, durable polypropylene construction, a secure Snap-Lok latch and full-length mechanical hinge, stackable textured housing, and clear red flip-top visibility, the MTM Case-Gard P-100 22 WMR/17 HMR Red Polypropylene 100rd Ammo Box (P10022M29) offers a technical, long-service-life solution for organizing, protecting, and transporting rimfire ammunition at the range or in storage.
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