MJM Machining

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MJM Machining MJM Machining
Established 2024

Specialising in fi****ms repair, alterations and general gunsmithing. Contact Mike Maulder for enquires. 0277403586

One of this weeks jobs , fitting a Sako extractor to a Re*****on 700 short action bolt . A few critical calculations to ...
23/10/2026

One of this weeks jobs , fitting a Sako extractor to a Re*****on 700 short action bolt . A few critical calculations to do before making any cuts on the machine , this one came out bang on and the r***e now extracts the cases perfectly .

We see this from time to time , the front action screw is too long and as you can see its touching the barrel tennon thr...
18/10/2026

We see this from time to time , the front action screw is too long and as you can see its touching the barrel tennon threads and has started to flatten them off. This can cause both accuracy problems and threads gauling if the barrel ever needed to be removed .

Heya team , been busy for the last couple of months with some non gun work , but have managed to sneak a few r***es thro...
06/10/2026

Heya team , been busy for the last couple of months with some non gun work , but have managed to sneak a few r***es through when I habe a spare minute. This one had a suppressor which was siezed onto the muzzle threads . Bit of a soak with some kroil for a few days and some gunsmith trickey and we managed to remove it, Then we cut it down and re threaded the muzzle ,just goes to show you need to remove the suppressor before storing the r***e away .

Another one done ✔️, this time a 22 creedmoor. Christensen arms action and a Shilen select 1-8 twist match barrel . S...
30/09/2026

Another one done ✔️, this time a 22 creedmoor. Christensen arms action and a Shilen select 1-8 twist match barrel .
Shooting the factory hornady 80gn bullets it has already taken a bunch of red deer over the last couple of weeks .

Hey team have a spotting scope up for sale , if you're interested let me know 👍
11/09/2026

Hey team have a spotting scope up for sale , if you're interested let me know 👍

Hey team , have a spotting scope up for sale. If your interested let me know 👍
11/09/2026

Hey team , have a spotting scope up for sale. If your interested let me know 👍

Just want to shout out and say thanks to the Horowhenua hunting club for inviting me to talk about fi***rm maintenance ...
09/09/2026

Just want to shout out and say thanks to the Horowhenua hunting club for inviting me to talk about fi***rm maintenance on Monday night , hopefully it will help someone out down the track , cheers team we appreciate it 👍.

This is the second re*****on 700 short action that we tidied up last month , the bolt handle was missing , so we silver ...
31/08/2026

This is the second re*****on 700 short action that we tidied up last month , the bolt handle was missing , so we silver soldered a new one on before we could fit the barrel. Fitting it into the stock we found the action screw holes in the stock didn't line up perfectly with the action itself , so into the milling machine to relieve the alloy bedding block to allow the recoil lug to sit further back ,success!

338 lapua time ! Will keep you guys posted .
29/08/2026

338 lapua time ! Will keep you guys posted .

Here's a job we did a while ago , we had to make a spacer to go between a Scope and thermal adaptor , as the original ...
27/08/2026

Here's a job we did a while ago , we had to make a spacer to go between a Scope and thermal adaptor , as the original one wasn't a good fit and the scope didnt hold zero on the target. We started by measuring the internals of the adaptor and found it not to be completely round , so we machined the bushing down to be a snug fit on the OD ,and slowly tapered the inside to suit the OD of the scope. We cut the bushing in half and assembled it. With everything being a snug fit the scope started to hold zero .

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Levin
5571

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