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Crosman 451 (45 Military)

Printed From: Kiwi Airgunners
Category: General
Forum Name: collectors corner
Forum Description: Got anything collectible, old or just unique you want to show off? Post your toys here.
URL: www.kiwiairgunners.co.nz/forum_posts.asp?TID=1252
Printed Date: 02 Sep 2025 at 1:46pm
Software Version: Web Wiz Forums 10.14 - http://www.webwizforums.com


Topic: Crosman 451 (45 Military)
Posted By: J-S
Subject: Crosman 451 (45 Military)
Date Posted: 02 Sep 2025 at 10:15am
Here’s a bit of a rarity that I jumped on when it came up for sale. These were made for around 1 year 1968-70, so hard to find - the little known cousin to the famous Crosman 600 - both being true semi-auto pellet pistols.

It’s heavy and clunky, but really a yank-tank version of a Swiss watch - the parts are nicely machined in steel and brass, lots of parts working together. You can see why it didn’t last long, its complex quality build would have been expensive to make and easily damaged if miss-treated!

In its day it was the only air pistol with realistic recoil - the top section blows back. This system also made it super hungry on gas





It uses a rotary magazine built in, pellets loaded skirt first. Like the Crosman 600 it takes very specific flat head pellets to ensure it doesn’t jam, which would be a bad thing as you simply can’t get parts.



This was a leaker, but Young’s installed a new canister seal and it now works fine, even after likely a couple of decades of sitting around.



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https://www.instagram.com/js_airguns/" rel="nofollow - J S Airguns
Air Arms TX200('s)
Theoben Sirocco
HW77
FWB 300s
Webley Patriot
One or two others...

Current projects:
Too many..



Replies:
Posted By: Mintie
Date Posted: 02 Sep 2025 at 10:18am
Lovely, so how does it shoot then?


Posted By: J-S
Date Posted: 02 Sep 2025 at 10:32am
Originally posted by Mintie Mintie wrote:

Lovely, so how does it shoot then?


With these its more of a "does it even shoot" vs "how does it shoot" LOL

Ive added a quick vid of the blowback action. But yes, I wouldnt mind getting it on paper to see how it groups

http://www.youtube.com/watch?v=869JUrZw9NY" rel="nofollow - http://www.youtube.com/watch?v=869JUrZw9NY


-------------
https://www.instagram.com/js_airguns/" rel="nofollow - J S Airguns
Air Arms TX200('s)
Theoben Sirocco
HW77
FWB 300s
Webley Patriot
One or two others...

Current projects:
Too many..


Posted By: J-S
Date Posted: 02 Sep 2025 at 10:34am
I also managed to get an original manual to pair with it, as well as a tin of the correct pellets



-------------
https://www.instagram.com/js_airguns/" rel="nofollow - J S Airguns
Air Arms TX200('s)
Theoben Sirocco
HW77
FWB 300s
Webley Patriot
One or two others...

Current projects:
Too many..


Posted By: Myson
Date Posted: 02 Sep 2025 at 11:05am
A superb find J-S!!!

A real blast from the past!  Well done..... Smile

Do put up some target results when you get it going...


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https://www.youtube.com/watch?v=eq7jVyBfFqE" rel="nofollow - https://www.youtube.com/watch?v=eq7jVyBfFqE
Air Arms S510 US .22
Air Arms S410 .22
Weihrauch HW97KT .177
Weihrauch HW95 .177



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