300 PRC Custom Build: Chambering and Machining the Barrel

Full Story: https://ultimatereloader.com/2019/09/13/300-prc-custom-build-chambering-and-machining-the-barrel/
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Important notes:
- See chapter markers below
- This is a high-level overview for this particular project
- I am not teaching lathe operation in this video (see Making with Metal videos for that)
- There are 6 rifle chambering projects in the hopper, will be showing different things each time.
- Future videos will break down each process for chambering a rifle (individual stories)

0:10 Introduction, resources, background
4:00 Outline of components and process
6:20 Cutting down barrel blank (breech end)
7:00 Initial dial-in, facing, pre-drilling
8:18 New barrel dial-in technique
10:26 Dave Manson reamer, bushings, Go/No-Go gauges
10:57 Boring pre-drill, checking for runout
11:36 Turning tenon
12:54 Cutting threading relief
13:49 Threading the tenon
15:35 Checking for thread fit
15:57 Indexing barrel and action (barrel internal curvature)
20:17 Finished tenon, chambering setup
21:13 Precision Matthews PM-1440GT lathe performance/alignment
21:33 Pressure flush -vs- manual flush reaming
22:05 Viper's Vennom oil, starting chambering
23:18 Hawkeye Borescope - inspecting chambering progress
24:25 Monitoring chambering depth
24:48 Final chambering cuts and checks (last 0.010")
25:17 0.002" Go Gauge shim (tape)
26:43 Chamfering the chamber opening, polishing the chamber
27:44 Cutting barrel down (muzzle end)
28:04 Muzzle threading quick overview
29:48 Installing barrel
32:21 Checking headspace
33:33 Conclusion

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Ultimate Reloader LLC / gavintoobe Material Connection Notice:

The following Ultimate Reloader partners are featured in this video:
- Hornady
- Benchmark Barrels
- TriggerTech
- MDT

Ultimate Reloader partnerships involve one or more of the following:
Product supplied for evaluation + testing + features in videos/articles, paid advertising and promotions, engineering and product development services, scientific testing and evaluation, external media production and related marketing services.

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Видео 300 PRC Custom Build: Chambering and Machining the Barrel канала gavintoobe