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U.S. 120-MM Mortar, M120 |
Current United States
Army Service |
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A Subject of Mortars in Miniature.com |
| Click on all photos and scans to enlarge... |
| The Kit:
This 1/35th scale mode is manufactured in Germany by MR Modellbau and is packaged as the M121, 120mm Mortar. Casting is in white metal and resin with a nicely turned aluminum barrel. Detail on the white metal cast parts is good and the parts clean up nicely with minimal effort. The cast resin Baseplate underside is finely represented however, there is no top side detail. This is due to this same Baseplate being included in MR Modellbau's M1064 carrier conversion and is originally intended to be mounted outside of the carrier with the top-side facing against the outside wall of the tracked vehicle. (Reference the Guest Files page.) There is no Sight Unit provided in the kit. |
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Parts are packaged in small plastic bags
and the assembly instructions included are very vague, actually being copied from
FM 23-90 that shows more detail than the kit offers. There are no corresponding part numbers and actual part placement and
alignment can be difficult to determine. Assembly was accomplished with
cyanoacrylate (super) glue and two-part epoxy for
the resin and white metal parts.
There are six finely cast bombs included with this kit with minimal clean up required. |
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The Details: Some part replacements, enhancements and additions were required to convert this model into the M120. The main detail change was the conversion of the kit's M191 Bipod to the M190 Bipod. The replacement legs are made of Plastruct rod and Evergreen card and the spreader chain assembly is constructed out of two strands of sewing thread twisted together and 'sealed' with PVA Glue. The springs are wound fine copper wire and the elevation turn handle is formed from fine wire as well. |
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The locking and carrying handles on the Baseplate
were made from electrical wire with trimmed back insulation, formed and
inserted into drilled out mounting holes. The depression was carefully bored
out with a sanding drum attached to a Dremel Tool.
Not shown in the pre-paint photos: |
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The Figure:
Is from the Dragon Models Ltd. (DML) Modern US Marines figure set and
he is wearing the DCU
uniform and equipment that was also common to US Army soldiers during the opening
phases of OIF/OEF. Changes to the basic figure and M16A2 rifle are:
Not shown in the pre-paint photos:
The Kevlar helmet's chin straps, fashioned
from drafting tape.
The rifle sling fashioned from note
pad paper and styrene bits.
The water bottle and decal are
products of Accurate Armour.
The Base:
Cut from scrap oak to 4 inches in diameter with the edge being routered
in with a Dremel Tool. Sanded and stained with a natural colored oil
based stain and then sealed with multiple thin coats of polyurethane, lightly
sanded in between coats. The wood was masked off with a lo-tak drafting tape to
protect from the following applications of water-based groundwork material and the
painting process. There are four felt pads and the completion date on the underside of the base.
The Groundwork:
Is a mix of Sculptamold, water and PVA glue. A light sprinkling
of finely sifted dirt was added for the desert 'texture' and prior to the mix thoroughly drying, the boot prints were pressed in. Small chunks of Kitty Litter
were used
sparingly for the 'stones' and these were set in place with PVA glue. The tarp
is a piece of OD colored handkerchief cut to size.
Painting, Weathering and Finishing:
The basic painting was accomplished with acrylic
and enamel paints. The weathering consisted of Winsor
and Newton Oils thinned with Terponoid for the various washes, acrylics
paints were used for
the dry-brushing and Bragdon Enterprises pastel weathering chalks were
applied for the dusting effects.
Decals and Markings:
(There are no decals supplied with this kit)
Depending on the references used, markings
and marking locations on the cannon and bombs varied.
Mortar: The alignment stripe segments are from my spare decal drawer.
Mortar Bombs: The 'stenciling' is hand-brush applied.
Figure: The 82nd Airborne Division shoulder patch and forward charging US National flag are from Quartermaster Depot. The "U.S." on the canteen covers are water slide decals from Hudson and Allen. All decals settled down nicely with Solvaset decal setting solution.
Note: A thin coat of Future Floor Wax was airbrushed on prior to and after adding the decals.
The Final Touches:
The final weathering step was the
application (by airbrush) of an acrylic flat coat followed by a light touch-up
application of the pastel weathering chalks. Acrylic gloss was applied to the
figure's sand goggles and to the lenses on the mortar's sight unit.
The nameplate was made from K&S Engineering brass strip that was buffed up with fine steel wool. The lettering is from Letraset and was applied by using a burnishing tool. A strip of Avery Self-Adhesive Laminating sheet was applied to prevent damage and the nameplate was attached to the wood base with double-sided tape.
General Info:
Developed by Soltam
of Israel as the K6, this weapon is manufactured in the United States by various
manufacturers and has been in U.S. Army service since 1991. It is the standard
U.S. Army heavy mortar and is currently deployed throughout the War on Terror
and is fully compatible with NATO smooth-bore mortar ammunition standards. (For live-fire videos, see the
Video Clips Page.)
This is a conventional smoothbore muzzle-loaded mortar system that provides increased range, lethality and safety as compared to the post World War II vintage 4.2-inch (107mm) M30 heavy mortar system that it has replaced in the mechanized infantry, motorized, armored, and cavalry units. It is employed as the M120 in the towed version, (as modeled) with M1100 trailer, as the M121 mounted in the M1064 full-tracked carrier and it is the M121 that is scheduled to be deployed in the Stryker 8-wheeled armored mortar carrier that is now in development with subsequent deployment within the next few years. The M121 is fully functional in the ground mode when dismounted from the armored carrier.
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Conclusion:
The Baseplate's lack of top surface detail is the only serious set-back to this model.
References and Sources:
http://www.globalsecurity.org/military/library/policy/army/fm/23-90/ch7.htm
http://www.globalsecurity.org/military/systems/ground/m120.htm
http://www.fas.org/man/dod-101/sys/land/m120.htm
LTC. Rob Gronovius - United States Army
MAJ. Gino
Quintiliani - United States Army
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U.S. 120-mm Mortar, M120 |
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