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*Offer expires 04/30/24 at 3 a.m. ET. Some exclusions apply.
$44.99
List Price $49.99Save $5.00(10%)1-year limited warranty
Earn 45 Bullseye Bucks
In-stock
Sold & shipped by Pyramyd AIR
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Ballistic & Conversion Calcs
Crosman MK45 CO2 BB Pistol
Sold & shipped by Pyramyd AIR
| Caliber | .177 (4.5mm) |
| Max Velocity | 480 fps |
| Stock | Synthetic |
| Grip | Ambi |
| Color | Black |
If you’re looking for a great time plinking soda cans and bottles in your backyard, the Crosman MK45 is a great entry to shooting CO2 air pistols.
Powered by a single 12-gram CO2 cartridge held in the slide out grip compartment, this original air pistol features a 20rd BB magazine that slings shots downrange at speeds up to 480 fps. The MK45’s fixed sights ensure a clear view of targets while shooting in semi-auto. As an added bonus, each includes an integrated Picatinny/Weaver accessory rail to mount a laser or flashlight for added tactical precision.
If you want affordable semi-auto action for your backyard, take home your own Crosman MK45.
Crosman MK45 CO2 BB Pistol
See other products by Crosman
Ballistic & Conversion Calcs
Crosman MK45 CO2 BB Pistol
Sold & shipped by Pyramyd AIR
| Caliber | .177 (4.5mm) |
| Max Velocity | 480 fps |
| Stock | Synthetic |
| Grip | Ambi |
| Color | Black |
| Max Velocity | 480 fps |
| Overall Length | 7.22" |
| Buttplate | None |
| Function | Repeater |
| Weight | 1.0 lbs |
| Scopeable | No |
| Safety | Manual |
| Suggested for | Plinking/Fun |
| Caliber | .177 (4.5mm) |
| Loudness | 3-Medium |
| Shot Capacity | 20 |
| Barrel | Smooth bore |
| Front Sight | Blade |
| Rear Sight | Fixed |
| Action | Semiautomatic |
| Powerplant | CO2 |
| Body Type | Pistol |
3.5 (6 reviews)Create an online review
3.0 3.0
3.0 3.0
3.0 3.0
At first, I liked the fit and feel and power.
Things I would have changed:Internals are jinky and will malfunction very quickly.
What others should know:For cheap plinking it's ok. Not for serious shooting. Plastic is cheaply put together with weak screws.
4.0 4.0
5.0 5.0
4.0 4.0
It feels good and it shoots well.
Things I would have changed:Nothing
What others should know:It's a little inaccurate.
Got a question or answer?
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Where can you get spare magazines for it
Does this gun curve bbs? Should I use crosman copperhead bbs for this gun?
Any brand BB's will work.
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Air Venturi Safety Glasses, Clear Anti-Fog Lenses, Adjustable
4.5 (101 reviews)In-stock
Air Venturi, H&N Smart Shot .177 Cal, 7.4 Grains, Copper Plated Lead BBs, 750ct
5.0 (88 reviews)In-stock
Daisy Match Grade Avanti Precision Shot .177 Cal., 5.1gr, 1050ct
4.5 (71 reviews)In-stock
Umarex Precision Steel BBs 5.1 grains, Speedloader, 1,500ct, 0.177"
5.0 (65 reviews)In-stock
Daisy Premium Grade .177 Cal, 5.1 Grains, Zinc Plated BBs, 4000ct
4.0 (77 reviews)In-stock
Marksman Premium Grade Steel BBs, 5.1 Grains, Speedloader, 1,000ct
4.5 (40 reviews)In-stock
Hornady Black Diamond Steel BBs, .177 Cal, 5.1 Grains, Anodized Finish, 1500ct
5.0 (1 review)Out of Stock
Estimated in-stock date 05-15-24
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By Mike
Fits my hand well, larger grip than sorry me of my others. I like the little bb magazines, they work in my wife's umarex as well, so we share.
Things I would have changed:The little black plastic piece on top popped right off mine when I got it out of the package. When I tried to put it back on, I somehow or other got the internals boogered up. Ended up having to take it completely apart twice before I found a diagram of the crosman c11 (same guts, different package) and got it back together right. I'm not sure why that piece has to be detachable. I epoxied it back in place, so it shouldn't go anywhere on its own .
What others should know:I'm a classic guy, Crosman and Daisy all the way. I usually like my crosmans a little better than daisy, but this one isn't up to par with my 1322, and definitely not with my old 101. It's fun to play tin can massacre with, but not much more. Makes a decent companion gun to my 1077 rifle. For a little more, the daisy 5501 is a much better gun.