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NV, USA
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Posted: 12/4/2018 5:35:54 PM EDT
[Last Edit: Spatten]
[#1]
Greetings Ron,
I have a Tiger SVD that has been fired very little and is safe Czar status. I really love the rifle, and have been considering putting a lot more rounds through it. I saw a few pages back that you put two tigers on the line in 2015. Just wondering how those have worked out. I know you did wear out the NDM-86 you were previously using. Given the collectibility of the Tiger, and the scarce supply of parts I think all would understand my hesitation. However, if there is one thing I have learned from all of the Battlefield posts, it is that military quality firearms can shoot an extraordinary amount of ammo. Thanks, Shawn |
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TX, USA
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Posted: 12/31/2018 6:36:41 PM EDT
[#2]
Quote HistoryOriginally Posted By LRRPF52: I was just watching a P&S video with Jim Fuller and one of his guys talking about what does and doesn't work in AKs. They said 5.56x45 NATO in the AK caused a lot of early catastrophic failures across multiple guns, especially the short AKs. The AK was never meant to handle 55-62ksi chamber pressure weapons with a small bore volume and high port pressures. 
5.45x39 = 55k 7.62x54 = 58k 7.62x51 = 60k 30-06 (molot) = 60k More of Fuller's nonsense, he should stick to something he's qualified for, like "de-horning" (using sandpaper). |
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Posted: 12/31/2018 8:33:10 PM EDT
[#3]
Quote HistoryOriginally Posted By Dragynn:
5.45x39 = 55k 7.62x54 = 58k 7.62x51 = 60k 30-06 (molot) = 60k More of Fuller's nonsense, he should stick to something he's qualified for, like "de-horning" (using sandpaper). Quote HistoryOriginally Posted By Dragynn:
Originally Posted By LRRPF52: I was just watching a P&S video with Jim Fuller and one of his guys talking about what does and doesn't work in AKs. They said 5.56x45 NATO in the AK caused a lot of early catastrophic failures across multiple guns, especially the short AKs. The AK was never meant to handle 55-62ksi chamber pressure weapons with a small bore volume and high port pressures.
5.45x39 = 55k 7.62x54 = 58k 7.62x51 = 60k 30-06 (molot) = 60k More of Fuller's nonsense, he should stick to something he's qualified for, like "de-horning" (using sandpaper). |
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GA, USA
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Posted: 12/31/2018 9:06:03 PM EDT
[Last Edit: giantpune]
[#4]
Quote HistoryOriginally Posted By Dragynn:
5.45x39 = 55k 7.62x54 = 58k 7.62x51 = 60k 30-06 (molot) = 60k More of Fuller's nonsense, he should stick to something he's qualified for, like "de-horning" (using sandpaper). 
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Posted: 12/31/2018 11:19:36 PM EDT
[#5]
Quote HistoryOriginally Posted By lostnswv: 5.56 military loads can push 60k or higher depending on the load. If 5.56 ammo is run through .223 chamber the pressure can spike well over 60k. |
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Posted: 12/31/2018 11:20:22 PM EDT
[#6]
Quote HistoryOriginally Posted By giantpune:
Why do you think some 223 AKs have the more robust RPK/vepr style front trunion? This is how the Yugoslavians were able to handle increased chamber pressure without blowing out the headspace at relatively low round counts. https://www.budsgunshop.com/catalog/images/92703.jpg |
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GA, USA
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Posted: 1/1/2019 1:51:00 AM EDT
[#7]
Quote HistoryOriginally Posted By HeavyMetal: The yugos put the RPK trunion on everything. 
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GA, USA
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Posted: 1/13/2019 3:33:23 PM EDT
[#8]
Any word on those PSA AK's?
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Posted: 1/13/2019 5:43:25 PM EDT
[#9]
Quote HistoryOriginally Posted By HeavyMetal:
The yugos put the RPK trunion on everything. Quote HistoryOriginally Posted By HeavyMetal:
Originally Posted By giantpune:
Why do you think some 223 AKs have the more robust RPK/vepr style front trunion? This is how the Yugoslavians were able to handle increased chamber pressure without blowing out the headspace at relatively low round counts. https://www.budsgunshop.com/catalog/images/92703.jpg |
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TX, USA
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Posted: 1/15/2019 6:26:05 PM EDT
[#10]
Quote HistoryOriginally Posted By giantpune:
Why do you think some 223 AKs have the more robust RPK/vepr style front trunion? This is how the Yugoslavians were able to handle increased chamber pressure without blowing out the headspace at relatively low round counts. But it's pure overkill. Anybody really think something like a chicom type 84 is somehow weak and won't hold up to a lot of 5.56 down the pipe? |
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ID, USA
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Posted: 3/17/2019 5:38:18 PM EDT
[#11]
Hey Ron, I hear ya got a couple of PSA AK's there now, love to get updates on that when you have time and have some rounds downrange. Thanks!
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Posted: 3/17/2019 11:27:21 PM EDT
[#12]
Quote HistoryOriginally Posted By Dragynn:
Hey Ron, I hear ya got a couple of PSA AK's there now, love to get updates on that when you have time and have some rounds downrange. Thanks! @HendersonDefense |
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FL, USA
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Posted: 3/18/2019 11:24:42 AM EDT
[#13]
Quote HistoryOriginally Posted By HendersonDefense: We have been slammed and just got busier with one of the indoor ranges closing down last week. WASR's still lead the pack when it comes to AK's on our range. V/R Ron |
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IN, USA
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Posted: 3/18/2019 12:38:51 PM EDT
[#14]
Update on page 11?
AIRBORNE!!!!! |
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NV, USA
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Posted: 3/25/2019 5:35:33 PM EDT
[#15]
Quote HistoryOriginally Posted By Dragynn:
Hey Ron, I hear ya got a couple of PSA AK's there now, love to get updates on that when you have time and have some rounds downrange. Thanks! V/R Ron |
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Posted: 3/25/2019 8:44:30 PM EDT
[#16]
Quote HistoryOriginally Posted By HendersonDefense: We did receive two of the PSA Gen 3 rifles last week. I will update Palmetto State on their performance on a regular basis and let them make updates. They are not paying us in any way for this "testing" as I would really like to have a source of quality-made AK's made here in the States. V/R Ron |
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Posted: 3/26/2019 1:26:10 AM EDT
[#17]
Quote HistoryOriginally Posted By RCRTR:
Update on page 11? AIRBORNE!!!!! Weird. Oh and HD, I really want to see the new PSA AKs do well too. |
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Posted: 3/26/2019 9:21:11 AM EDT
[#18]
Quote HistoryOriginally Posted By pavlovwolf:
Is there a glitch in the matrix? There's only 9 pages on here, and this is 9. Weird. Oh and HD, I really want to see the new PSA AKs do well too. Quote HistoryOriginally Posted By pavlovwolf:
Originally Posted By RCRTR:
Update on page 11? AIRBORNE!!!!! Weird. Oh and HD, I really want to see the new PSA AKs do well too. |
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Posted: 3/26/2019 10:06:53 AM EDT
[#19]
Now that the page question is answered, lets get back opn topic please.
Thanks. |
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Posted: 3/26/2019 11:47:48 AM EDT
[Last Edit: dryflash3]
[#20]
Off topic post removed. dryflash3
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ID, USA
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Posted: 3/26/2019 4:56:45 PM EDT
[Last Edit: Dragynn]
[#21]
Quote HistoryOriginally Posted By HendersonDefense: We did receive two of the PSA Gen 3 rifles last week. I will update Palmetto State on their performance on a regular basis and let them make updates. They are not paying us in any way for this "testing" as I would really like to have a source of quality-made AK's made here in the States. V/R Ron especially looking forward to PSA's model with an FN CHF barrel.
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IL, USA
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Posted: 4/10/2019 6:40:36 PM EDT
[#22]
Quote HistoryOriginally Posted By HendersonDefense: We did receive two of the PSA Gen 3 rifles last week. I will update Palmetto State on their performance on a regular basis and let them make updates. They are not paying us in any way for this "testing" as I would really like to have a source of quality-made AK's made here in the States. V/R Ron |
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Posted: 5/3/2019 6:32:10 PM EDT
[#23]
Well, after reading this thread I think my RPK will be getting a new recoil spring and a buffer just to be on the safe side.
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ID, USA
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Posted: 5/7/2019 4:55:57 PM EDT
[#24]
Quote HistoryOriginally Posted By Strela:
Well, after reading this thread I think my RPK will be getting a new recoil spring and a buffer just to be on the safe side. No way i'm putting a buffer in though. And i'll never need to go that far I think, semi-auto rifles that get shot a few times a year should be fine without 'em I reckon. |
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Posted: 5/7/2019 11:50:14 PM EDT
[#25]
Quote HistoryOriginally Posted By Dragynn:
Ditto on the springs, cheap and sure can't hurt, bought some Thisbugger +5%'ers for all of the AKM's, great springs! No way i'm putting a buffer in though. And i'll never need to go that far I think, semi-auto rifles that get shot a few times a year should be fine without 'em I reckon. Quote HistoryOriginally Posted By Dragynn:
Originally Posted By Strela:
Well, after reading this thread I think my RPK will be getting a new recoil spring and a buffer just to be on the safe side. No way i'm putting a buffer in though. And i'll never need to go that far I think, semi-auto rifles that get shot a few times a year should be fine without 'em I reckon. 
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Posted: 5/12/2019 9:05:08 PM EDT
[#26]
@HendersonDefense
This may have been asked earlier in this massive thread, so if it has I apologize, but were your WASR's built with new production parts or demilled military parts (eg. 10/63's)? If it's both, have you noticed a difference between the two? TIA. |
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Posted: 5/13/2019 9:10:13 PM EDT
[Last Edit: JaketheSnake]
[#27]
Quote HistoryOriginally Posted By giantpune:
Why do you think some 223 AKs have the more robust RPK/vepr style front trunion? This is how the Yugoslavians were able to handle increased chamber pressure without blowing out the headspace at relatively low round counts. https://www.budsgunshop.com/catalog/images/92703.jpg Quote HistoryOriginally Posted By giantpune:
Originally Posted By Dragynn:
5.45x39 = 55k 7.62x54 = 58k 7.62x51 = 60k 30-06 (molot) = 60k More of Fuller's nonsense, he should stick to something he's qualified for, like "de-horning" (using sandpaper). https://www.budsgunshop.com/catalog/images/92703.jpg Zastavas were imported with rpk style recievers in 762 as well. O-pap i think? The bulgarian 556 stamped AKs dont seem to need any additional reinforcements to accommodate the caliber, any more so than 762 or 545. |
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NE, USA
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Posted: 5/28/2019 4:04:12 PM EDT
[#28]
My son and I just went and shot at Battlefield Las Vegas. Don’t think I’ve blown through that much cash that fast before...worth every penny. Incredibly friendly staff, I can’t believe how much knowledge they have about the array of firearms on site.
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IN, USA
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Posted: 5/30/2019 5:12:49 PM EDT
[#29]
Any guess on round count of the NDM 7.62x51 before headspace grew?
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LA, USA
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Posted: 6/2/2019 9:18:26 PM EDT
[Last Edit: FlyingMailman]
[#30]
So the Bulgarian AK milled receivers have yet to fail, are these Arsenal SAM7’s (or similar models on the same receiver)? I’ve seen some say that stamped lasts longer than milled because milled receivers tend to crack where the barrel is pinned in (much like it does to the trunnion of a stamped AK) but the data you provide debunks that.
@HendersonDefense |
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NH, USA
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Posted: 6/6/2019 2:23:51 PM EDT
[#31]
@HendersonDefense
I'd be curious to see how well a KNS Adjustable gas piston and KNS Anti-Rotation FCG pins hold up to constant abuse; I wonder if you'd see any egging of the FCG pin holes, or if the piston would help decrease wear on the gun over time. |
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ID, USA
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Posted: 6/6/2019 4:11:07 PM EDT
[#32]
Quote HistoryOriginally Posted By MAC21500:
@HendersonDefense KNS Anti-Rotation FCG pins And so are AR pins, the KNS pins do look very cool on an AR i'll grant you that, but rotating pins are a redundancy to guarantee the triggerset works even if the trigger and/or hammer are locked up on the pin due to rust or whatever, you are taking away an important feature, not adding one, this is NOT an upgrade at all but in fact a downgrade. |
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NH, USA
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Posted: 6/6/2019 6:49:57 PM EDT
[#33]
Quote HistoryOriginally Posted By Dragynn: I don't understand why these are even made or why anyone would ever use one. AK pins are able to rotate by design, they're supposed to be that way. And so are AR pins, the KNS pins do look very cool on an AR i'll grant you that, but rotating pins are a redundancy to guarantee the triggerset works even if the trigger and/or hammer are locked up on the pin due to rust or whatever, you are taking away an important feature, not adding one, this is NOT an upgrade at all but in fact a downgrade. |
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ID, USA
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Posted: 6/7/2019 6:07:29 PM EDT
[#34]
Quote HistoryOriginally Posted By MAC21500: I agree, all the more reason to see what happens, IMHO. I actually snagged a pair of anti-walk AK pins years ago from some guy off EBay, they weren't anti-rotation, just anti-walk with a threaded end on the safety side that takes a small screw, so ostensibly you didn't even need to use a sheperds hook/retaining plate on it. I never did put them in anything because their OD is at minimum dimensions so they are a little loosey-goosey when installed (plus the end piece doesn't screw in enough to lock the side-to-side play out, but that's probably best for this design anyway). But I do still think this idea has some merit if done right, but in the end it's still a solution looking for a problem like the KNS pins IMO. |
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NV, USA
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Posted: 7/11/2019 5:03:40 PM EDT
[#35]
Quote HistoryOriginally Posted By sporter:
Any guess on round count of the NDM 7.62x51 before headspace grew? V/R Ron |
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TX, USA
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Posted: 8/13/2019 8:59:42 AM EDT
[Last Edit: henryfrank]
[#36]
@HendersonDefense
Thanks so much for this thread! Wanted to know, how are the Krinkov SLR-104URs holding up? How long do barrels, receivers, and other parts last on these and how does this compare to full-length rifles? Any updates on the mapp gas spot heat treat home builds btw? Thanks again! |
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Posted: 8/13/2019 11:14:11 AM EDT
[#37]
Quote HistoryOriginally Posted By HendersonDefense: We did receive two of the PSA Gen 3 rifles last week. I will update Palmetto State on their performance on a regular basis and let them make updates. They are not paying us in any way for this "testing" as I would really like to have a source of quality-made AK's made here in the States. V/R Ron I'm thinking about getting my first AK from Palmetto State. Anything in particular that you like or dislike about them so far? Good bang for the buck? |
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MI, USA
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Posted: 8/13/2019 4:16:02 PM EDT
[Last Edit: Zeebz]
[#38]
Quote HistoryOriginally Posted By FlyingMailman:
So the Bulgarian AK milled receivers have yet to fail, are these Arsenal SAM7’s (or similar models on the same receiver)? I’ve seen some say that stamped lasts longer than milled because milled receivers tend to crack where the barrel is pinned in (much like it does to the trunnion of a stamped AK) but the data you provide debunks that. @HendersonDefense |
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IL, USA
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Posted: 8/21/2019 1:59:11 PM EDT
[#39]
Quote HistoryOriginally Posted By HendersonDefense: We did receive two of the PSA Gen 3 rifles last week. I will update Palmetto State on their performance on a regular basis and let them make updates. They are not paying us in any way for this "testing" as I would really like to have a source of quality-made AK's made here in the States. V/R Ron |
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Posted: 9/21/2019 3:34:49 PM EDT
[#40]
We here at Fég Hungary finds this surprising and interesting.
The only guns we've seen failed pretty fast was our .223 NGM series. |
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Posted: 10/15/2019 2:17:16 AM EDT
[#41]
@wormraper
Here's where I was hoping to get an update from @HendersonDefense about the Palmetto State AKs. |
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AZ, USA
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Posted: 10/15/2019 8:14:04 AM EDT
[#42]
Quote HistoryOriginally Posted By DaTrueDave:
@wormraper Here's where I was hoping to get an update from @HendersonDefense about the Palmetto State AKs. |
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Posted: 10/15/2019 10:40:44 AM EDT
[#43]
Quote HistoryOriginally Posted By wormraper:
gracias.... I'm kind of hoping to hear from Ron about them too, as several of us are curious how they're holding up Quote HistoryOriginally Posted By wormraper:
Originally Posted By DaTrueDave:
@wormraper Here's where I was hoping to get an update from @HendersonDefense about the Palmetto State AKs. |
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Posted: 10/15/2019 12:21:02 PM EDT
[#44]
Quote HistoryOriginally Posted By America-first: I believe the arrangement between Henderson Defense and PSA called for Henderson to report back to PSA who would then release any results at their own discretion. |
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Posted: 10/16/2019 4:58:23 AM EDT
[#45]
PSA’s complete radio silence is deafening. Perhaps someone who’s been to Battlefield can tell us whether they’ve had an opportunity to use one of the PSA AKs. Just knowing they are still on the line would be encouraging. PSA will have a tough time keeping up with demand next year if;
1. They get good reports from Vegas, and 2. They can build them fast enough to pay for their development |
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AZ, USA
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Posted: 10/16/2019 3:36:34 PM EDT
[Last Edit: wormraper]
[#46]
Quote HistoryOriginally Posted By America-first: I believe the arrangement between Henderson Defense and PSA called for Henderson to report back to PSA who would then release any results at their own discretion. https://www.ar15.com/forums/AR-15/High-round-count-AR-M4-s-over-100-000-rounds-and-how-they-have-handled-on-our-range/118-677135/?page=35#i7885628 |
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Posted: 10/28/2019 1:38:19 AM EDT
[#47]
Hi folks,
I apologize for the lack of following up on this thread. I will provide details of the PSAK’s and other updates on factory parts from Europe as well. |
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TX, USA
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Posted: 10/28/2019 9:40:37 AM EDT
[#48]
Sweet, look forward to it.
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Posted: 10/29/2019 10:37:31 AM EDT
[#49]
Here's something that is about par for the course. This WASR-10 lasted three weeks shy of a full year on the range. The trunion will suffer a catastrophic crack on the right side and about 50% of the time it will also suffer a crack on the left side where the carrier engages it. The receiver rarely suffers a stress crack on the right from the bulge but strangely experiences a stress crack on the left side where there isn't a bulge in the receiver.
V/R Ron  Attached File Attached File Attached File |
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IL, USA
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Posted: 10/29/2019 10:52:55 AM EDT
[#50]
Glad to see you back Ron, looking forward to the PSA updates.
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