Thread: A wee project for myself

Early days but this is just a teaser photo. I have machined the lower from tooling grade aluminium. I will post photos as work progresses.

Bolt action 9mm or .45 ACP..? To be suppressed..? Looks the shizzle so far..


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I'm guessing .45 ACP suppressed.......?

Yep, 9mm, suppressed with the eccentric De Lisle system, overall length of 770mm, Picatinny rail, and optics yet to be decided.

Are you shortening the bolt and extending the barrel through?

Originally Posted by Walker

Are you shortening the bolt and extending the barrel through?

Yes, receiver and bolt work done. I have the barrel in the lathe now. I have been making authentic De Lisle replicas for some years so I am well set up for the job.

Better than me. It looks sweet
I have a long term (not authentic) delisle project on the go that I have made way harder than it should be.

Maybe these are trade secrets but there is no harm in asking,
how do you bore out the receiver for the barrel to pass through?
and how do you shorten the bolt, cut a chunk out and weld or cut and tap? Presumably since you were after a No4 you re taped the bolt, if so how do you clock the thread?

Originally Posted by Chilli_Dog

Maybe these are trade secrets but there is no harm in asking,
how do you bore out the receiver for the barrel to pass through?
and how do you shorten the bolt, cut a chunk out and weld or cut and tap? Presumably since you were after a No4 you re taped the bolt, if so how do you clock the thread?

I have made special tooling to bore out the receiver by hand. You can't do it in a lathe because of the skinny tool needed and the interrupted cut. I anneal the bolt body and hacksaw to the appropriate length, square it off and tap it out. The SMLE Mk III's I use for the De Lisles have an Enfield bastard thread so I had to make the taps for that. The No4 has UNF threads so 7/16" UNF is correct for the bolt head. Once the bolt is threaded then I file fit it until the bolt head registers correctly. Obviously the barrel cannot be finished until the bolt has been done correctly.

Originally Posted by gundoc

I have made special tooling to bore out the receiver by hand. You can't do it in a lathe because of the skinny tool needed and the interrupted cut. I anneal the bolt body and hacksaw to the appropriate length, square it off and tap it out. The SMLE Mk III's I use for the De Lisles have an Enfield bastard thread so I had to make the taps for that. The No4 has UNF threads so 7/16" UNF is correct for the bolt head. Once the bolt is threaded then I file fit it until the bolt head registers correctly. Obviously the barrel cannot be finished until the bolt has been done correctly.

Thanks for that, looks like I was on the right track in planning the next project (I do still have to finish this one though). I was thinking of making something up a bit like a tap washer seat cutting tool to do the receiver. And I may be able to get away with finding a No4 bolt head instead of a whole bolt which may be a bit easier.

Originally Posted by gundoc

Yes, receiver and bolt work done. I have the barrel in the lathe now. I have been making authentic De Lisle replicas for some years so I am well set up for the job.

LOL "authentic" de Lisle replica.

Originally Posted by keneff

LOL "authentic" de Lisle replica.

What’s funny about that?

Originally Posted by keneff

LOL "authentic" de Lisle replica.

Yes, based on 20 years research which included a trip to the Pattern Room collection to examine, photograph and measure originals. My drawings are accurate and I also have some original drawings. I have attached a couple of photos of one of my working replicas.

Very clever man hopefully you have someone worthy of passing your knowledge and skills on to

duralinium or steel baffles this time ?