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Old 07-12-2015, 04:06 PM   #1
Richard/SIA
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Default S.I.A. De Lisle Silent Carbine.



A recently completed S.I.A. De Lisle with the optional Picatinny scope rail installed.

My most popular product to date, and the most time consuming to produce.

Notable features are that I NEVER use "DP" actions, that the barrels are ported to the expansion chamber as original and that my adapter allows the use of standard 1911 magazines without any need of modification.

In addition I usually make the tube integral so that only one NFA tax is required.
I supply a tool to remove the stainless steel baffles for cleaning and checking baffle alignment during assembly.

The chamber is fully supported in the action, the bolt and firing pin are not cut down.
The extractor is shortened to better grip the .45 case and the "V" spring is replaced with a coil spring so that the action closes more smoothly.
The ejector is a spring loaded blade in the top of the magazine adapter and works very well.

Current baffles are as original.

The rear sight of each gun is calibrated at our local firing range before being engraved at 50, 100, 200 and 300 yards.
And yes 300 yards is practical for sentry sized targets.

I will add more pics as needed to answer comments or questions.
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Old 07-12-2015, 04:13 PM   #2
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i know you are making something "similar" out of the 22TCM actions, but do you ever get requests to do these in 9mm?
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Old 07-12-2015, 04:25 PM   #3
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Default S.I.A. De Lisle dB measurement.

Some time ago one of my De Lisle's was independently measured for dB using a proper meter per the accepted standards.

Insert the usual disclaimer about elevation, humidity, variations in bullet design and load, etc., all affecting performance so no guarantee that another unit will perform identically on any other day.
These are modern measurement which should replace the "Only the firing pin is heard" myth.
Although I think the difference of so few dB is pretty good for this classic design.

128.44dB 1 meter to the left, 10 shots
111.40dB 1 meter to the left, firing pin (empty chamber)
125.28dB measured at the ear, firing pin (empty chamber)

Equipment:
B&K 2209 meter
B&K type 4136 ¼” microphone
B&K type 4220 pistonphone
Federal American Eagle 230 grain

Atmospheric conditions:
85 degrees
63% humidity
29.330 in actual pressure at test site

Following the standards & procedures as outlined in Paulson, Alan C., Silencer History and Performance, Volume 1 chapter 5

1.0 meter to the left of muzzle 90 deg to the bore axis
1.6 meters above non-reflective surface
No reflecting surfaces near by
10 rounds are fired & averaged to determine performance

I have noticed that even identical guns test fired on the same day may not have identical suppression levels with one being "Better" than the other even with factory loaded ammunition.
This applies to "Modern" designs as well as the De Lisle.


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Old 07-12-2015, 06:00 PM   #4
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Quote:
Originally Posted by phoenix View Post
i know you are making something "similar" out of the 22TCM actions, but do you ever get requests to do these in 9mm?
I've had tons of 9mm request which is why I jumped on the TCM when they came out.
9mm in an Enfield would be a PITA, the case is just too short and small in diameter to work with the original extractor.
There is a guy in England who makes new bolt heads with a patented internal ejector.
Not practical to import them and unlikely anyone would want to pay the price anyway with the exchange rate and shipping doubling it.

Now I'm anxious to see how sincere the demand for a bolt action 9mm really is.
It's nice to start with New actions and not have to scrounge parts for repair at the same time that I do the build.
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Old 07-12-2015, 06:40 PM   #5
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Quote:
Originally Posted by Richard/SIA View Post
I've had tons of 9mm request which is why I jumped on the TCM when they came out.
9mm in an Enfield would be a PITA, the case is just too short and small in diameter to work with the original extractor.
There is a guy in England who makes new bolt heads with a patented internal ejector.
Not practical to import them and unlikely anyone would want to pay the price anyway with the exchange rate and shipping doubling it.

Now I'm anxious to see how sincere the demand for a bolt action 9mm really is.
It's nice to start with New actions and not have to scrounge parts for repair at the same time that I do the build.
good info to know, thank you for answering my question. i figured the TCM would be a better starting place since it can use big magazines too.
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Old 07-13-2015, 01:34 PM   #6
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Do I dare ask a price?
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Old 07-13-2015, 02:21 PM   #7
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Retail on the standard De Lisle is $2,250.00
Add $100.00 for the two-stamp version.
Add $85.00 for the scope rail.
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Old 07-13-2015, 03:17 PM   #8
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Does that include host?



I have some interest in a bolt action 9mm . Had this been an option a while back, I would have gone 9mm over a Leonidas. The leo is fudgin' cool but I kinda hate the 300blk.

As much as I'd hate to admit it, I'm not really in the market for anything expensive. I just dropped a pretty penny on... tooling BUT a DeLisle, welrod, OSS hi-standard, and an integral STEn are all on my DO WANT list (one of those is in the works ).
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Old 07-13-2015, 03:38 PM   #9
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"Does that include host?"

Yes it does.
Discount $150.00 if you supply a host that does not need parts to make it safe and complete.
I do not need the old .303 barrel or wood forward of the rigger guard so a bad bore is fine.
I do need a complete safety, bolt assembly, trigger guard, front and rear sights, etc.
"DP" marked actions cannot be used.
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Old 08-01-2015, 11:31 PM   #10
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I'm thinking that I am phasing out of doing the De Lisle, 45-SC and any other Enfield conversions.

Decent actions are getting hard to find at reasonable prices.
Small critical parts are becoming more difficult to obtain.
I put too many hours into them for the price and cannot simply increase the price without killing all sales.

I will use up the magazine adapters I have on hand, about thirty at the moment.
Once they are gone so are the conversions unless I find a way to make them more lucrative.

So if you've been hesitating now is the time to place your order while they are still available.
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Old 08-02-2015, 12:12 AM   #11
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These really are cool. My 45 SC is my coolest stamp item to date. Everyone who shoots it, loves it.

Richard, ever think of making some 9mm Welrods?
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Old 08-02-2015, 01:39 AM   #12
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I really have to get into something that is less of a "Niche" item.
The Enfields are a lot of work and becoming ever harder to do at low volume.

Welrods have come up before, but unless I can get a silly price for them it's another low volume item requiring all custom made parts.
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Old 02-16-2016, 03:29 AM   #13
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Default De Lisle to order is now discontinued.

I am taking a break from finicky builds on ancient actions.
So building of De Lisle's to order is now discontinued.
.45 kits and SC's are also out of production.

MAY do a few more after about July to be sold from stock, might put some special features on them and charge accordingly.

Now concentrating on completion of prior .45 type orders and products built on current production actions.
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