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Posted: 1/11/2019 3:42:31 PM EDT
[#1]
Quote HistoryQuoted: Im tempted to do the same with mine, so I understand your pain! Is that the bipod from RTG parts?  I had the price point wrong, though, $79, even better deal. So...I need to go ahead and buy the rubberized charging handle for $10.
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Posted: 1/11/2019 4:28:24 PM EDT
[#2]
Quote HistoryQuoted: Yes. I don't have actual H&K to compare it to but the quality seems solid for what it is....a metal bipod... I had the price point wrong, though, $79, even better deal. So...I need to go ahead and buy the rubberized charging handle for $10. |
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Posted: 1/11/2019 5:40:06 PM EDT
[#3]
Quote HistoryQuoted:
Yes. I don't have actual H&K to compare it to but the quality seems solid for what it is....a metal bipod... I had the price point wrong, though, $79, even better deal. So...I need to go ahead and buy the rubberized charging handle for $10.Quote HistoryQuoted:
Quoted: Im tempted to do the same with mine, so I understand your pain! Is that the bipod from RTG parts? I had the price point wrong, though, $79, even better deal. So...I need to go ahead and buy the rubberized charging handle for $10.
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Posted: 1/11/2019 7:37:23 PM EDT
[#4]
Quote HistoryQuoted: I got the same bipod, I'm happy with it. I do need to do another lower though, but it works and I'm lazy.
https://www.AR15.Com/media/mediaFiles/11092/C93t__2_-804239.jpg
That thing got so thin and then the endmill cutter grabbed it a little too aggressively and snapped it right off. I still have 3 more lowers to work with though, so I have 3 more chances to get it right. |
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Posted: 1/12/2019 1:38:38 AM EDT
[#5]
Quote HistoryQuoted:
Are the RTG bipods pained black or black parkerize? Quote HistoryQuoted:
Quoted: Yes. I don't have actual H&K to compare it to but the quality seems solid for what it is....a metal bipod... I had the price point wrong, though, $79, even better deal. So...I need to go ahead and buy the rubberized charging handle for $10. |
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Posted: 1/12/2019 6:01:31 AM EDT
[#6]
Quote HistoryQuoted:
It looks like you broke off the ear on the lower where the pin would be.....just like I did.
That thing got so thin and then the endmill cutter grabbed it a little too aggressively and snapped it right off. I still have 3 more lowers to work with though, so I have 3 more chances to get it right. Quote HistoryQuoted:
Quoted: I got the same bipod, I'm happy with it. I do need to do another lower though, but it works and I'm lazy.
https://www.AR15.Com/media/mediaFiles/11092/C93t__2_-804239.jpg
That thing got so thin and then the endmill cutter grabbed it a little too aggressively and snapped it right off. I still have 3 more lowers to work with though, so I have 3 more chances to get it right.
I'm not going to bother trying to pin the next one, just cut off the ears nicely. |
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Posted: 1/12/2019 4:00:11 PM EDT
[#7]
Anyone get the clear mke polymer mags to fit? Any filing needed?
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Posted: 1/12/2019 6:21:31 PM EDT
[#8]
Quote HistoryQuoted:
Anyone get the clear mke polymer mags to fit? Any filing needed? |
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Posted: 1/13/2019 3:25:56 AM EDT
[#9]
Quote HistoryQuoted: Parkerized, definitely not black paint. |
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Posted: 1/13/2019 4:18:45 AM EDT
[#10]
On these builds by ptr, is it a hit or miss using real HK mags or other manufacturers using HK tooling to build their HK/magazines?
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Posted: 1/16/2019 1:29:20 PM EDT
[#11]
I received my $10.00 HK Rubberized G3 cocking handle from RTG and can confirm 100% that it works with this gun. I'd say it even unlocks better than the contract HK33 handle I had but it might just be because it's a little beefier but it feels smoother to me.
 Attached File |
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Posted: 1/16/2019 5:21:17 PM EDT
[#12]
Quote HistoryQuoted:
I received my $10.00 HK Rubberized G3 cocking handle from RTG and can confirm 100% that it works with this gun. I'd say it even unlocks better than the contract HK33 handle I had but it might just be because it's a little beefier but it feels smoother to me. https://www.AR15.Com/media/mediaFiles/65327/20190111_151557_jpg-809846.JPG |
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Posted: 1/16/2019 6:20:21 PM EDT
[#13]
Quote HistoryQuoted: Did you have to modify the German HK mag?....or did it fit with no problems |
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Posted: 1/16/2019 7:24:50 PM EDT
[#14]
Quote HistoryQuoted:
I received my $10.00 HK Rubberized G3 cocking handle from RTG and can confirm 100% that it works with this gun. I'd say it even unlocks better than the contract HK33 handle I had but it might just be because it's a little beefier but it feels smoother to me. I placed an order for it as well as MKE HK33/93 recoil assembly and HK ejector spring. I'm pretty sure the recoil spring on mine is a bit weak as it fails to fully close the bolt on a full mag often (gives me a reason to use the bolt carrier serrations which works pretty good  ) plus the plastic guide rod ring is pretty worn out on one end. Recoil was pretty erratic as well with a few shots being pretty soft but the rest fairly harsh compared to my other 5.56 rifles. Taking apart the guide rod assembly looks pretty tedious just to replace the spring which is why I am just buying a new complete assembly. The ejector spring is just a 'might as well' thing and gives me an excuse to take apart the fire control group.
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Posted: 1/17/2019 6:01:59 PM EDT
[#15]
For Shot Show 2019 I wonder if PTR will have PTR 93 on display? Show starts on Jan 22nd. Someone will have to check their booth for us.
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Posted: 1/17/2019 11:10:20 PM EDT
[#16]
Just passed 500 rounds with mine and it's been 100%. I did the 10.00 rubberized handle and replaced that huge rear sight windage screw with a normal phillips type. Also bought one of the HK parts clipped/pinned 49.95 'used' G3 lowers. Turned out to be a nice rifle for the money, no odd wear and the finish holds up great. Last time I was at the retail store a couple weeks ago they were all gone. Gunbroker prices are nuts on these lol.
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Posted: 1/17/2019 11:12:21 PM EDT
[#17]
@Jagrmaister you installed one of the 4 pack lowers from apex right? Any problems getting it to fit? I've got mine fitted without the trigger pack in the housing, but when I put it in the rear seems to be binding on something but I can't tell what
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Posted: 1/18/2019 12:07:43 AM EDT
[#18]
Quote HistoryQuoted:
@Jagrmaister you installed one of the 4 pack lowers from apex right? Any problems getting it to fit? I've got mine fitted without the trigger pack in the housing, but when I put it in the rear seems to be binding on something but I can't tell what Note/Edit: I'll have to look at which trigger housing was the pain. I installed them on both a 9CT and the 93. One required virtually no work and the other was a saw fest with a file. Can't remember but same thing happened to me either way on one of them with the binding issue not allowing the rear to seat. |
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Posted: 1/18/2019 11:17:59 AM EDT
[#19]
Quote HistoryQuoted:
Just passed 500 rounds with mine and it's been 100%. I did the 10.00 rubberized handle and replaced that huge rear sight windage screw with a normal phillips type. Also bought one of the HK parts clipped/pinned 49.95 'used' G3 lowers. Turned out to be a nice rifle for the money, no odd wear and the finish holds up great. Last time I was at the retail store a couple weeks ago they were all gone. Gunbroker prices are nuts on these lol. |
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Posted: 1/21/2019 1:12:55 AM EDT
[#20]
Does anyone by chance know the thread pitch of these barrels?
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Posted: 1/21/2019 3:11:15 AM EDT
[#21]
Quote HistoryQuoted:
Does anyone by chance know the thread pitch of these barrels? |
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Posted: 1/21/2019 2:07:13 PM EDT
[#22]
Quote HistoryQuoted:
Mine was 15mm, AFAIK. I bought a 15mm YHM Turbo adapter and it fits. 
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Posted: 1/21/2019 7:34:17 PM EDT
[#23]
Yeah, barrel threads are 15x1 right hand. HKparts sells virgin PTR HK33/93 barrels and lists some of the specs (4140 steel, 1/9 twist).
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Posted: 1/21/2019 9:36:58 PM EDT
[#24]
Out of curiosity, has anyone seen an AR15A1 or A2 style flash hider in the 15X1 thread? I've got a Griffon M4sd that mounts to such, but not sure where I'd get one made.
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Posted: 1/22/2019 2:48:14 AM EDT
[#25]
Quote HistoryQuoted:
Out of curiosity, has anyone seen an AR15A1 or A2 style flash hider in the 15X1 thread? I've got a Griffon M4sd that mounts to such, but not sure where I'd get one made. |
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Posted: 1/22/2019 11:17:29 AM EDT
[#26]
Couldn't you guys take 1/2x28 flashhiders and rethread them to 15mm....assuming theres enough meat there to do it
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Posted: 1/22/2019 11:22:43 AM EDT
[#27]
Quote HistoryQuoted:
Couldn't you guys take 1/2x28 flashhiders and rethread them to 15mm? I bet Morgan would do it. |
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Posted: 1/22/2019 4:47:02 PM EDT
[#28]
Installed the $10 HK rubber charging handle, MKE 33/93 recoil assembly, and a new ejector spring today. The charging handle pin was pretty tight and took more than a few good whacks to knock it out and knock it back in after reinstall. My bolt gap was 0.019 previously but now its up to 0.021 due to the new charging handle I'm guessing. Unlocking the bolt wasn't any easier but it wasn't any harder either with the new handle. The new MKE recoil assembly probably negated any "improvement" in that regard. Not sure when I will get to test fire the gun due to work, weather, and all that jazz.
But other than maybe a spare extractor spring or two down the line I think I am finally done spending money on this gun. |
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Posted: 1/23/2019 10:16:53 AM EDT
[#29]
Quote HistoryQuoted:
Installed the $10 HK rubber charging handle, MKE 33/93 recoil assembly, and a new ejector spring today. The charging handle pin was pretty tight and took more than a few good whacks to knock it out and knock it back in after reinstall. My bolt gap was 0.019 previously but now its up to 0.021 due to the new charging handle I'm guessing. Unlocking the bolt wasn't any easier but it wasn't any harder either with the new handle. The new MKE recoil assembly probably negated any "improvement" in that regard. Not sure when I will get to test fire the gun due to work, weather, and all that jazz.
But other than maybe a spare extractor spring or two down the line I think I am finally done spending money on this gun. |
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Posted: 1/23/2019 10:24:32 AM EDT
[#30]
I COULD BE WRONG, but I believe the charging handle can keep the bolt carrier from going fully into battery if it hits the block in the end of the cocking tube before the bolt fully closes. You are supposed to have a dime thickness gap, I believe.
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Posted: 1/23/2019 10:47:04 AM EDT
[#31]
yea if the charging handle swap affects the bolt gap it is no good. you should have .015 gap on the cocking tube support to bolt.
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Posted: 1/23/2019 12:24:00 PM EDT
[#32]
Hmm, makes me wonder if my rifle had little to no cocking tube gap in the first place. I took a closer look at the cocking tube support and it has a lot of peening going on but it also looks like it was welded on previously. Both the old and new charging handles met resistance right away trying to unlock as well. Probably also explains why I was getting various amounts of recoil at times when I shot the rifle.
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Posted: 1/23/2019 12:30:42 PM EDT
[#33]
YIKES. Pull the cocking handle/support out and measure the bolt gap. then compare to the number with the handle support . if it changes then yea not good. I see they did mod the support, It isn't going to hurt to grind down the suport to get the cocking tube gap ok if the bolt gap is ok without the support in.
I take it this is a C93 century build? |
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Posted: 1/23/2019 12:33:44 PM EDT
[#34]
Quote HistoryQuoted:
YIKES. Pull the cocking handle/support out and measure the bolt gap. then compare to the number with the handle support . if it changes then yea not good. I would have hoped they modded the support if anything but that bolt carrier is a hot mess. I take it this is a C93 century build? |
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Posted: 1/23/2019 12:35:01 PM EDT
[#35]
Yea I got confused at the orientation. I would test the bolt gap without the support in. (to unlock the bolt take a flat blade screwdriver and stick it int he area that you measure bolt gap in and wack the screwdriver with a hammer.
If they built it it should be ok. But I am not a trusting soul. |
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Posted: 1/23/2019 1:47:28 PM EDT
[#36]
Quote HistoryQuoted:
Yea I got confused at the orientation. I would test the bolt gap without the support in. (to unlock the bolt take a flat blade screwdriver and stick it int he area that you measure bolt gap in and wack the screwdriver with a hammer. If they built it it should be ok. But I am not a trusting soul. |
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Posted: 1/23/2019 2:02:39 PM EDT
[#37]
Bummer that PTR would have sent out a gun like that. Glad I build my own LOL. good you have it set now.
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Posted: 1/23/2019 3:42:06 PM EDT
[#38]
Quote HistoryQuoted:
Bummer that PTR would have sent out a gun like that. Glad I build my own LOL. good you have it set now. Incoming life story alert! Its been a learning experience at least and probably a little bit of karma. I was pretty impatient waiting for the rifle (and said so often and loudly) after Bud's Guns Shop shipped 50-100 guns to random people in August and not adhering to their 'first come, first serve' queue line. It took roughly 2 more months before they started shipping guns again and I was nearing my 90 day full refund date when I finally got mine. The only mag that fit was the aluminum 40rd, the two steel HK 30rd mags wouldn't lock in, and the 20rd Promag required filing (normal). Got the HK mags to seat and release by brute forcing the mag into the gun repeatedly. First time out at the range I had about 10 failures to eject out of 110-120rds fired. My extractor spring was bent and the extractor pocket was filled with crusty carbon build up so I bent the spring back into shape and cleaned out the crud. I had installed a clipped & pinned navy SEF trigger housing so I thought the ejector might have been at the wrong position too. Filed the trigger housing to fit better over the shelf welds and put the ejector in a little better position. Second time out, I had zero failures to eject with both the Century and Navy SEF trigger housings and 90rds fired.After all that I decided to install a paddle mag release by myself, with zero experience, and various internet guides. It worked out in the end, a little sloppy but functional. Third time out at the range I had one or two failures to eject (installed a new extractor spring afterwards) but I was also noticing the recoil being somewhat random in strength by then. I figured I should replace the recoil and ejector springs too but I shelved that plan (due to getting a couple more new guns to play with) until a few days ago which lead to this cocking gap issue popping up. And now its looking like I'll have to order some +size rollers to get my bolt gap closer to optimal measurement. Edit: Forgot to mention the rear sight mount screw was stripped as well so I replaced it along with adding a philips head HK windage screw. |
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Posted: 1/23/2019 5:17:17 PM EDT
[#39]
You are within specs now just keep an eye on it. On a new build we shoot for .015 -.020 but hk specs are .004"-.020" see if it settles at all before spending more on it.
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Posted: 1/23/2019 6:10:54 PM EDT
[#40]
Quote HistoryQuoted:
Everyone I asked said no. They told me I'd have to find an unthreaded A2 flashhider. Something about the tolerances. |
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Posted: 1/23/2019 11:06:02 PM EDT
[#41]
Clipped it today. It will be easier the next time and cleaner as I messed up a bit but you have to look hard to see the issues.
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Posted: 1/24/2019 4:29:23 PM EDT
[#42]
Quote HistoryQuoted:
I COULD BE WRONG, but I believe the charging handle can keep the bolt carrier from going fully into battery if it hits the block in the end of the cocking tube before the bolt fully closes. You are supposed to have a dime thickness gap, I believe. |
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Posted: 1/24/2019 5:28:45 PM EDT
[#43]
Quote HistoryQuoted: So was it just placebo for me or does the HK cocking handle feel smoother to you too? I dont have the rifle with me now but I think the new HK handle took away any gap. I am going to check with the old handle when I get a chance. Rifle has been flawless until I changed the cocking handle. Good thing I checked back here, never would have guessed that handle would have caused an issue but it makes sense if its not letting it lock up all the way. edit: There is about a .030 gap with the HK handle so thats not the issue. Think it may be an ammo issue, I picked up a battle pack of PPU 55gr and its pretty weak. Put a quick 20 rounds of the federal I have been using and its ejecting consistent again. Not sure why it bent the ejector spring, case must have pushed it over on a FTE. My bolt gap is holding strong at .020, I'll report back after another 500 or so rounds. |
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Posted: 1/24/2019 10:19:20 PM EDT
[#44]
Dbl tap
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Posted: 1/24/2019 10:23:30 PM EDT
[#45]
Quote HistoryQuoted:
Clipped it today. It will be easier the next time and cleaner as I messed up a bit but you have to look hard to see the issues. https://i.imgur.com/JJTgAFj.jpg 
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Posted: 1/25/2019 12:18:01 AM EDT
[#46]
I'm thinking about selling mine.
I've had it for a month, but I haven't shot it. For whatever reason I haven't felt the urge to take it to the range.
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Posted: 1/25/2019 12:24:36 AM EDT
[#47]
Quote HistoryQuoted:
I'm thinking about selling mine. I've had it for a month, but I haven't shot it. For whatever reason I haven't felt the urge to take it to the range. |
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Posted: 1/25/2019 12:19:06 PM EDT
[#48]
Quote HistoryQuoted:
I'm thinking about selling mine. I've had it for a month, but I haven't shot it. For whatever reason I haven't felt the urge to take it to the range.
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Posted: 1/26/2019 8:18:13 PM EDT
[#49]
What ammo are you guys feeding your PTR C93's? I haven't had a chance to take mine out yet but have seen a couple of references to trouble with brass (I think American Eagle) and success with steel. Are you guys seeing that too? I've got some AE, IMI, and Wolf Gold - all brass and 55gr - that I can take out with me the first time. Wondering if I ought to try to pick up some steel to throw into the mix (maybe Silver Bear?) if it's expected to function more reliably. I didn't see much discussion of ammo choice here, so thought I'd get some input from other owners.
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Posted: 1/28/2019 12:40:15 PM EDT
[#50]
It should shoot brass fine it is just very hard on it if you reload. (softer brass may have some extraction issues as it flows into the fluted chamber more, that's why if a gun is having issues with brass folks say to try steel cased. ) the french Famas, also fluted only used steel cased ammo evidently.
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