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02-28-2021, 07:08 AM
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Firearms with easily removable firing components
Yesterday I picked up a CZ 70 and on initial disassembly and cleaning I was surprised the firing mechanism comes out in a block. This is very reminiscent of how the firing mechanism in my TT33 comes out. From a manufacturing, maintenance and repair stand point this makes a lot of sense. The only US made firearm I can think of that does this is the M1 Garand. Can you think of any other examples?
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02-28-2021, 08:31 AM
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P210
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02-28-2021, 08:32 AM
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Doesn’t the Ruger 10/22 come out enbloc?
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02-28-2021, 08:47 AM
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I think some of the Sigs are made the same way.
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02-28-2021, 09:21 AM
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Yes, that sure makes basic disassembly, cleaning and inspection easy. Don’t take a Sako Finnwolf apart, unless you have a really good manual and a lot of time on your hands! 
Remington has used a similar design for decades. Their trigger groups are held in with two push-pins and includes the hammer, sear, safety, hammer and trigger return springs and shell carrier. They’ve used this design on the 740/742/7400, 760, 11-48, 870, 1100/1187. I’m sure they’ve used it on others too.
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Last edited by s&wchad; 02-28-2021 at 09:30 AM.
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02-28-2021, 09:23 AM
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How about AR-15?
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02-28-2021, 09:56 AM
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Ruger Security Six.
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02-28-2021, 10:11 AM
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Quote:
Originally Posted by walnutred
Yesterday I picked up a CZ 70 and on initial disassembly and cleaning I was surprised the firing mechanism comes out in a block. The only US made firearm I can think of that does this is the M1 Garand. Can you think of any other examples?
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The Springfield M1A (or M14) firing mechanism comes out en bloc; of course it is a variation of the M1 Garand design.
Quote:
Originally Posted by Protocall_Design
How about AR-15?
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Nope. The receiver halves separate and you can get to more of the mechanism than in many other rifles, but the mechanism itself is pinned in place and not readily removable without tools. On the M1 and M1A (or M14), you pull down on the trigger guard, it swings out and the entire firing mechanism slides out the bottom of the receiver and stock, no tools.
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02-28-2021, 10:20 AM
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The Mauser C96 "Broomhandle" started that ball rolling in the 19th Century...
John
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02-28-2021, 12:01 PM
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The H&K P7 series pistols have an easily removable firing pin assembly.
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02-28-2021, 12:35 PM
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The Francotte modification of Martini .22 lr action is a beautiful piece of work. The whole works removes like a cassette.
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02-28-2021, 12:40 PM
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The Sig P320 and similar models (are they US built?) won the military handgun contract for this reason, the interchangeable/modular fire control system.
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02-28-2021, 12:48 PM
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Well..................
Does not get any easier than this! 
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02-28-2021, 01:00 PM
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Quote:
Originally Posted by walnutred
Yesterday I picked up a CZ 70 and on initial disassembly and cleaning I was surprised the firing mechanism comes out in a block. This is very reminiscent of how the firing mechanism in my TT33 comes out. From a manufacturing, maintenance and repair stand point this makes a lot of sense. The only US made firearm I can think of that does this is the M1 Garand. Can you think of any other examples?
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The little Browning take down semi auto .22 rifle you can easily(no tools) remove the fire control system!
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14 S&W Revs none with locks!
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02-28-2021, 02:39 PM
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HK G3 / 91, 93, MP5, etc.
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EGO VOLUNTAS HAUD OBEDIO
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02-28-2021, 04:49 PM
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Quote:
Originally Posted by Mbrgr1
Does not get any easier than this! |
Gotta give you a like for that one. I’ve never seen one of those before.
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02-28-2021, 05:56 PM
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Yep, the Star Model 30M
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02-28-2021, 06:01 PM
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Forgot one more I own. IWI Tavor.
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EGO VOLUNTAS HAUD OBEDIO
Last edited by BloodyThumb; 02-28-2021 at 08:20 PM.
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02-28-2021, 07:04 PM
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technically the Sig P320 & P250 fire control unit is the firearm.. so I am not sure you can count it.. but I will
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02-28-2021, 07:14 PM
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Changing, cleaning or working on components of the Japanese type 26 revolver was incredibly easy also.
John
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Last edited by PALADIN85020; 02-28-2021 at 07:15 PM.
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02-28-2021, 08:03 PM
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Quote:
Originally Posted by Andyd
P210
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Sig possibly realized an ingenious design and uses the similar modular firing module.
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Last edited by OLDSTER; 02-28-2021 at 08:10 PM.
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02-28-2021, 08:03 PM
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CZ Scorpion.
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02-28-2021, 08:14 PM
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Quote:
Originally Posted by OLDSTER
Sig possibly realized an ingenious design and uses the similar modular firing module.
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Actually Petter did. He came up with the SACM 1935, SIG just bought the patent and produced the gun in Swiss quality.
Changing the trigger group in a Walther GSP is also very easy.
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Last edited by Andyd; 02-28-2021 at 08:16 PM.
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02-28-2021, 09:55 PM
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10/22 trigger group drops out in one piece with two pins removed.
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02-28-2021, 10:14 PM
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Ruger GP100.
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03-01-2021, 08:43 AM
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Take the bolt out of most any bolt action rifle and you have the controls in your hand. Yes the trigger stays in the gun but so do they in the pistol designs where the hammer, mainspring ect is removeable in one unit.
Same bunch of parts really.
If you add punching pins out,,the Marlin Mod 60/99 drops the complete controls out with the front and rear action plate pins removed below the recv'r.
You have to take the bbl'd action out of the stock of course but that's a thumb or coin slotted TD screw like many .22 rifles.
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03-01-2021, 08:45 AM
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The firing module in most semi-auto shotguns drop out as a unit.
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03-01-2021, 10:15 AM
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French MAB Model 1950
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03-01-2021, 04:47 PM
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Westley Richards and J. Ronge “Drop Locks”.
I own a Ronge and had it for years before a friend showed me what I had.
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03-01-2021, 04:50 PM
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Quote:
Originally Posted by BloodyThumb
HK G3 / 91, 93, MP5, etc.
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These were my first thoughts as well...
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03-01-2021, 10:07 PM
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M14 and mini 14
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03-02-2021, 01:42 AM
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Remington 870
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03-02-2021, 02:16 AM
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I dunnoooooooooooo.....
Quote:
Originally Posted by Protocall_Design
How about AR-15?
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The parts are right there to see in the lower and you can inspect and clean pretty good from there, but removing and reinstalling the pins in the trigger group isn't something you'd do unl ess you plan on reassembling. If the trigger group was held together as a group pins would be one thing, but the ones in the AR are under spring tension with little parts that are separate. So even though it's modular and easy to work on, I don't put the trigger group in the 'take it out and clean it and pop it back in' category.
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03-02-2021, 04:00 AM
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Ruger Red Hawk. It doesn't get too much simpler than this. Even a Caveman could do it.....
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