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Posted: 4/21/2021 3:15:29 PM EDT
@Chumpmiester was kind enough to post these parts lists he put together for people doing a PF45 Polymer 80 build.
 Attached File Attached FileI may or may not be building a 45acp PF45 and have a couple questions. The list shows the 1902 extractor as having a loaded chamber indicator, and a 3442 bearing to go with it. I don’t see the part # for the non LCI extractor that pairs with the 1204 bearing. I’m also wondering if there are any other parts not listed, such as the slide cover plate. Edit: Somehow I didn’t get the parts list for 45acp, fixed it. |
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Posted: 4/21/2021 4:33:57 PM EDT
[#1]
Quoted: @Chumpmiester was kind enough to post these parts lists he put together for people doing a PF45 Polymer 80 build.https://www.ar15.com/media/mediaFiles/451123/58A92D34-3A0A-4CD9-8831-9CC956002CF9_jpe-1913517.JPG I may or may not be building a 45acp PF45 and have a couple questions. The list shows the 1902 extractor as having a loaded chamber indicator, and a 3442 bearing to go with it. I don't see the part # for the non LCI extractor that pairs with the 1204 bearing. I'm also wondering if there are any other parts not listed, such as the slide cover plate. Here is what the official order form states:
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Posted: 4/21/2021 5:00:53 PM EDT
[#2]
Thanks for the clarification.
I’ve been able to find most of the parts between MidwayUSA, Midwest gun works, and Big Tex ordnance. Brownells was mostly OOS. Any other reliable vendors I should be checking? Also looking for an RMR cut slide and a barrel. Looking towards Lone Wolf but open to other options. Should I go directly through Lone Wolf or do they sell through a other vendors? |
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Posted: 4/21/2021 5:21:56 PM EDT
[#3]
Glockmiester is another place to watch for OEM parts. G21 slide are hard to come by and have been for at least 6 months now. What ever you do, do NOT buy a Rock Slide USA brand slide. I had to wait almost 2 months just to find an OEM style slide that was NOT from Rock Slide.
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Posted: 4/21/2021 5:43:44 PM EDT
[#4]
I did check Glockmeister, and they had a couple parts in stock, but the other vendors also had them in stock so I ordered from them to save on shipping. THe only thing Brownells had was the extractor depressor plunger, and nobody else had it that I saw. I held off on buying it so I didn’t pay shipping on one part. Still looking for:
Extractor depressor plunger Extractor and bearing RSA Slide stop lever Trigger bar RMR cut slide Barrel... I think that’s it. Guess I should get some sights too. |
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Posted: 4/21/2021 5:53:09 PM EDT
[#5]
Watch Spinta Precision for a G21 barrel. That is what I am using and it shoots good.
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Posted: 4/21/2021 6:19:54 PM EDT
[#6]
Quote HistoryQuoted: Watch Spinta Precision for a G21 barrel. That is what I am using and it shoots good. Thanks, I’ll look at them. Wouldn’t mind a threaded barrel in case I get a can. I cast my own bullets so barrels with too tight of a throat could be problematic. I had trouble with a 9mm Lone Wolf barrel being tight but was able to get things worked out. |
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Posted: 4/21/2021 7:46:23 PM EDT
[#7]
So I had a hard time sourcing G21 slides/barrels and opted to build a G41 or "long slide" 21. It is the G34 45acp equivalent. While I shipped out my slide for milling before I got the barrel, based off measurements of the barrel and the measurements from the Ebay vendor, I have about 1/16" clearance from the end of the thread protector to the front of the slide. So I should ahve clearance issues and the 21 Tactical appear to be the same as the G41
If you opt to build a long slide variant, here are in stock barrel and slide: Opticsplanet G41 LWD threaded/nonthreaded barrel $153 Unthreaded might be out of stock G21 Tactical LWD Ported long slide $275 G21 Tactical LWD standard long slide $260 |
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Posted: 4/22/2021 7:18:20 AM EDT
[#8]
Quote HistoryQuoted: So I had a hard time sourcing G21 slides/barrels and opted to build a G41 or "long slide" 21. It is the G34 45acp equivalent. While I shipped out my slide for milling before I got the barrel, based off measurements of the barrel and the measurements from the Ebay vendor, I have about 1/16" clearance from the end of the thread protector to the front of the slide. So I should ahve clearance issues and the 21 Tactical appear to be the same as the G41 If you opt to build a long slide variant, here are in stock barrel and slide: Opticsplanet G41 LWD threaded/nonthreaded barrel $153 Unthreaded might be out of stock G21 Tactical LWD Ported long slide $275 G21 Tactical LWD standard long slide $260 I’m confused. Are you saying the threaded barrel won’t work but non threaded will? @SilentDeath12886 |
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Posted: 4/22/2021 5:47:51 PM EDT
[#9]
Quote HistoryQuoted: I’m confused. Are you saying the threaded barrel won’t work but non threaded will? @SilentDeath12886 In theory they both fit. Nonthread barrels are 5.32", while the picture from EBay says 5.34" from breech face to end of slide. So based off those measurements, the barrel would be recessed about .02". My threaded barrel should have about 1/16" clearance from thread protector to slide. Contact the ebay vendor to verify |
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Posted: 4/29/2021 5:36:06 PM EDT
[#10]
Still looking for a few more parts, but I got the barrel and slide linked above. Thought I’d share a picture of how they fit.
 Attached File@SilentDeath12886 |
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Posted: 4/29/2021 6:43:40 PM EDT
[#11]
Quote HistoryQuoted: Still looking for a few more parts, but I got the barrel and slide linked above. Thought I’d share a picture of how they fit.https://www.ar15.com/media/mediaFiles/451123/image_jpg-1923688.JPG @SilentDeath12886 Awesome! There is a lot more clearance on the barrel than I thought. Midwayusa had a lot of individual parts that you can part together as regular prices. I bought what I could from midwayusa, then the rest from ebay. All inidividual parts because part/frame/slide kits are stupid expensive. Only non OEM part I had to buy was the NDZ RecoilSpring Assembly(also besides LWD slide and barrel). Trigger housing being one of the harder parts to find and not at grossly inflated pricing. Trigger housing |
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Posted: 4/29/2021 9:23:31 PM EDT
[#12]
The Gen 4 trigger housings are all the same themselves. The only difference is the extractors. Most that have built multiple P80 frames and have upgraded the 9mm 336 ejector to the 30724 ejector usually have spare Gen 4 trigger housings sitting around. If this is the case and you can find a Gen 3 G21 trigger housing, get it and just put the ejector into any Gen 4 trigger housing. The G21 ejector itself is the same for both Gen 3 and Gen 4.
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Posted: 4/30/2021 7:05:19 PM EDT
[#13]
I did not know the Gen4 trigger housings were the same across the board. I just assumed the trigger housing was different in the large frames. I did have an old Gen4 9mm 336 trigger housing/ejector. But that is assuming I could find the ejector of a 21 trigger housing. I struggled to even find a standard Gen3 21 Housing/ejector. At least on Ebay, price for an in stock G3 21 and 21SF trigger housings are about $55. Midway had them(21SF), in stock, at $8+shipping so no parts swapping necessary at a reasonable price too.
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