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Link Posted: 10/11/2022 7:14:05 AM EST
[#1]
What ammo is good for the breaking in period? Most of the 124 grain I see is not +p or is hollow point.
Anyone have a good recipe for making my own. I have tightgroup and wst powder on hand.
brownells
Link Posted: 10/11/2022 7:21:01 AM EST
[#2]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By hollowhandle:
What ammo is good for the breaking in period? Most of the 124 grain I see is not +p or is hollow point.
Anyone have a good recipe for making my own. I have tightgroup and wst powder on hand.
View Quote

I've been using Blazer brass 124 without issue, but I don't have as many rounds through it yet as others.
Link Posted: 10/11/2022 8:07:12 AM EST
[#3]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By hollowhandle:
What ammo is good for the breaking in period? Most of the 124 grain I see is not +p or is hollow point.
Anyone have a good recipe for making my own. I have tightgroup and wst powder on hand.
View Quote

From the hodgdon website.
Attachment Attached File
Link Posted: 10/11/2022 8:23:28 AM EST
[#4]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By hollowhandle:
What ammo is good for the breaking in period? Most of the 124 grain I see is not +p or is hollow point.
Anyone have a good recipe for making my own. I have tightgroup and wst powder on hand.
View Quote




I picked up some of this just because I saw it.  




I also have some 115gr stuff loaded up with 4.5gr of titegroup seated at like 1.12" with a FMJ and it does well.
the +P factory ammo is pretty toasty and it really slings the brass out when I shoot it - im talking 20-25 feet.

my handloads function fine in it but the brass only pops out about 8-10 feet since its no where near +P
Link Posted: 10/11/2022 8:34:27 AM EST
[Last Edit: Solo_] [#5]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By hollowhandle:
What ammo is good for the breaking in period? Most of the 124 grain I see is not +p or is hollow point.
Anyone have a good recipe for making my own. I have tightgroup and wst powder on hand.
View Quote
 as long as you WILL shoot at least 100 rounds of a P+ 9mm rounds, you'll be fine.

Look I overlooked this, thought it was just the usual recommendation without consequences, it wasn't and my AP5 didn't shit well until I went through the p+ thing.

Once done and since then, not a single hiccup, even suppressed
Link Posted: 10/11/2022 8:47:17 AM EST
[#6]
I bought a full size yesterday because of this thread. I have a few small 9mm options already so I went a bit bigger.

Now I need a brace, mags, etc. Not sure what brace I want to go with yet.
Link Posted: 10/11/2022 8:59:09 AM EST
[#7]
Sort of want. Definitely want an MKE G3. Since those are probably a year out, I'll probably have to settle for a PTR.
Link Posted: 10/11/2022 1:57:23 PM EST
[#8]
There's another thread with a dude real worried about a small cosmetic issue on his SP5.  

Meanwhile, I'm over here with the MKE and the spray paint.



Link Posted: 10/11/2022 2:24:15 PM EST
[#9]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By 74novaman:
There's another thread with a dude real worried about a small cosmetic issue on his SP5.  

Meanwhile, I'm over here with the MKE and the spray paint.

https://i.imgur.com/as528gO.jpg

https://i.imgur.com/U4vATIr.jpg
View Quote
Well. Done!
Link Posted: 10/15/2022 5:58:14 PM EST
[Last Edit: GySgt_D] [#10]
Took it out again today to continue with the break-in, and to see if it is reliable with hollow points.

30 rounds of Bosnian BrassMaxx 115gr fmj
30 rounds of Winchester white box 147gr jhp

No malfunctions.  The latter was unsurprisingly quite a bit peppier than the former.

If memory serves, am now at 220 total rounds downrange, with only one malfunction at round #28.  That one could probably have been avoided if not for the fact that I took it direct from the gunstore counter to the range without cleaning or inspection.  

All of these were shot using four MKE magazines, fwiw.  They seem high quality, and I don't have the mag wobble that others report.  Or perhaps I just don't perceive it as troublesome...

Happy thus far!

ALG Sidewinder
Attachment Attached File
Link Posted: 10/17/2022 8:28:11 PM EST
[#11]
@Solo  or others,

Where do you get spare buffers?  Mine are all chewed up.
Link Posted: 10/18/2022 7:24:24 AM EST
[#12]
Link Posted: 10/18/2022 7:50:44 AM EST
[Last Edit: Dog1] [#13]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Lancelot:

@GySgt_D Where did you find that? I don't see it on the ALG website.

View Quote



@Lanceslot

https://algdefense.com/sidewinder-556.html


Whoops.. disregard I just realized that was for 5.56. Sorry
Link Posted: 10/18/2022 9:41:26 AM EST
[Last Edit: Jeremy2171] [#14]
FYI


20 round ETS mags work fine.

Just did a full mag dump with a single pull on the trigger....zero issues.

They are tight and you must pull them back to lock...but they run.

Not bad for $10.

Attachment Attached File

Link Posted: 10/18/2022 9:59:27 AM EST
[Last Edit: Saint_Peter] [#15]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Jeremy2171:
FYI


20 round ETS mags work fine.

Just did a full mag dump with a single pull on the trigger....zero issues.

They are tight and you must pull them back to lock...but they run.

Not bad for $10.

https://www.ar15.com/media/mediaFiles/51024/IMG_20221018_102618901_2_jpg-2567284.JPG
View Quote




Where did you find those mags for $10?!


ETA: @Jeremy2171
Link Posted: 10/18/2022 10:10:52 AM EST
[#16]
I swear all the optics mounts and rails have dried up from this thread.


was going to buy the MI rail for it and they have been sold out for months now.

MI optics mounts are sold out for months as well.


I have one of the super skinny low pro mounts right now but I need a little more space up top, im going to mount a crimson trace rail master in IR on the same rail as my optic just in front of the optic.
I also need a little space behind the optic as well to mount my brass catcher but it only needs one slot.
I settled for a magpul handguard to mount a surefire vampire on since everything else is OOS

Only optic mount I can find (in stock) is that big long mandangalo MI one that puts mlock slots over the cocking tube but im not a fan of that.
Link Posted: 10/18/2022 11:04:49 AM EST
[#17]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Saint_Peter:




Where did you find those mags for $10?!


ETA: @Jeremy2171
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Saint_Peter:
Originally Posted By Jeremy2171:
FYI


20 round ETS mags work fine.

Just did a full mag dump with a single pull on the trigger....zero issues.

They are tight and you must pull them back to lock...but they run.

Not bad for $10.

https://www.ar15.com/media/mediaFiles/51024/IMG_20221018_102618901_2_jpg-2567284.JPG




Where did you find those mags for $10?!


ETA: @Jeremy2171
Centerfire had a sale last week
Link Posted: 10/19/2022 2:29:12 AM EST
[#18]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Lancelot:

@GySgt_D Where did you find that? I don't see it on the ALG website.

View Quote


I drilled out a 5.56 Sidewinder.
Link Posted: 10/19/2022 10:07:01 AM EST
[#19]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By cancard:


I got mine.  

My .22 MP5 was lonely.  It had to be done.  


https://www.ar15.com/media/mediaFiles/474231/D71847DC-0C91-4937-A4D6-0466F5E22BFB-2529735.jpg
View Quote



What stock did you end up using for your 22? I wouldn't mind SBRing mine but I want a source for a collapsing stock besides buying the SD version
Link Posted: 10/19/2022 10:48:38 AM EST
[#20]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By xLucidx:

I also need a little space behind the optic as well to mount my brass catcher but it only needs one slot.
.
View Quote


Link to brass catcher please!
Link Posted: 10/19/2022 10:56:10 AM EST
[#21]
Thus far we've tried 115gr WWB, 124 gr WWB, 147 gr WWB, 115 grain winchester forged steel (or whatever it's called), and 158 grain Privi.

MKE and HK mags work with everything.  Tried a Zenith mag and it doesn't work.

Link Posted: 10/20/2022 10:01:03 AM EST
[#22]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By wm69:


Link to brass catcher please!
View Quote


@wm69

Def the best design on the market right now.

https://www.amazon.com/dp/B00EB5OU0Q?tag=arfcom00-20
Link Posted: 10/20/2022 10:04:43 AM EST
[#23]
Link Posted: 10/20/2022 4:27:50 PM EST
[Last Edit: GySgt_D] [#24]
Attachment Attached File


Magpul selector installed today.  Yuuuge improvement.

ETA 22 Oct>  Seventy-eight rounds downrange today.  Zero malfunctions.  Total of 298 with only one fte at rd#28.  Also- ordered a $628 flashlight today.  SOMEBODY STOP ME.  MY CHILDREN ARE STARVING.

Link Posted: 10/20/2022 9:53:05 PM EST
[Last Edit: tReznr] [#25]
Originally Posted By OnyxSkyDV:
https://www.ar15.com/forums/Armory/Got-wood-/9-534173/
View Quote


@OnyxSkyDV, from your writeup in the other thread (now closed for new comments but accessed from the link above) you posted:
Originally Posted By OnyxSkyDV:
After dismantling the G3 rear stock, I went about cutting it down to fit the profile of an MP5, and removed the G3 recoil spring.




View Quote


My MKE AP5 has a silicone / plastic buffer inside the receiver pistol stub / end-cap, presumably to dampen the impact of the bolt traveling to the rear of the receiver.  It looks like the receiver on the right in this picture:

[/url]


All the MP5 buffers I'm seeing for sale online say they are for the collapsing stock variants:

https://hkparts.net/product/mp5-a3-retractable-stock-buffer-black-p18160.htm/
https://www.midwestgunworks.com/hk-mp5/buffer.html
https://www.midwayusa.com/product/1020297085

After modifying the G3 rear stock sheet metal to fit on the MP5 receiver, do you need to install a buffer if you're utilizing a fixed stock?
Link Posted: 10/21/2022 12:44:28 AM EST
[#26]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By tReznr:

After modifying the G3 rear stock sheet metal to fit on the MP5 receiver, do you need to install a buffer if you're utilizing a fixed stock?
View Quote


I think the buffer is not exactly required, more of a safety feature to prevent the bolt from impacting the rear.  I also suspect that anything that would act as a buffer would work.  Even cutting that shape out of some silicon would likely do the same job.
Link Posted: 10/21/2022 7:51:12 AM EST
[#27]
Link Posted: 10/21/2022 9:29:02 AM EST
[#28]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Lancelot:
What distance are you sighting in at?
View Quote
I zero all my 9mm PCCs at 50yrds. typically.
Link Posted: 10/21/2022 10:49:28 AM EST
[#29]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By tReznr:


@OnyxSkyDV, from your writeup in the other thread (now closed for new comments but accessed from the link above) you posted:


My MKE AP5 has a silicone / plastic buffer inside the receiver pistol stub / end-cap, presumably to dampen the impact of the bolt traveling to the rear of the receiver.  It looks like the receiver on the right in this picture:

https://preview.redd.it/j8v1h7rtwl691.png?width=1008&format=png&auto=webp&s=9d0d155e4e35e67af85d721d6d0d0da898f5d528[/url]


All the MP5 buffers I'm seeing for sale online say they are for the collapsing stock variants:

https://hkparts.net/product/mp5-a3-retractable-stock-buffer-black-p18160.htm/
https://www.midwestgunworks.com/hk-mp5/buffer.html
https://www.midwayusa.com/product/1020297085

After modifying the G3 rear stock sheet metal to fit on the MP5 receiver, do you need to install a buffer if you're utilizing a fixed stock?
View Quote




My SB Tactical brace came with the buffer installed.
Link Posted: 10/21/2022 5:16:17 PM EST
[#30]
In case anyone was wondering.   According to my shot timer....RPM on my fullsize MKE shooting 115grn is 805rpm.  My PPsh-41 in 9mm with the same ammo is 1224 rpm  
Link Posted: 10/21/2022 11:17:51 PM EST
[Last Edit: agb104983] [#31]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By tReznr:


@OnyxSkyDV, from your writeup in the other thread (now closed for new comments but accessed from the link above) you posted:


My MKE AP5 has a silicone / plastic buffer inside the receiver pistol stub / end-cap, presumably to dampen the impact of the bolt traveling to the rear of the receiver.  It looks like the receiver on the right in this picture:

https://preview.redd.it/j8v1h7rtwl691.png?width=1008&format=png&auto=webp&s=9d0d155e4e35e67af85d721d6d0d0da898f5d528[/url]


All the MP5 buffers I'm seeing for sale online say they are for the collapsing stock variants:

https://hkparts.net/product/mp5-a3-retractable-stock-buffer-black-p18160.htm/
https://www.midwestgunworks.com/hk-mp5/buffer.html
https://www.midwayusa.com/product/1020297085

After modifying the G3 rear stock sheet metal to fit on the MP5 receiver, do you need to install a buffer if you're utilizing a fixed stock?
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By tReznr:
Originally Posted By OnyxSkyDV:
https://www.ar15.com/forums/Armory/Got-wood-/9-534173/


@OnyxSkyDV, from your writeup in the other thread (now closed for new comments but accessed from the link above) you posted:
Originally Posted By OnyxSkyDV:
After dismantling the G3 rear stock, I went about cutting it down to fit the profile of an MP5, and removed the G3 recoil spring.

https://i.imgur.com/y1yITbn.jpeg
https://i.imgur.com/egES8mf.jpeg



My MKE AP5 has a silicone / plastic buffer inside the receiver pistol stub / end-cap, presumably to dampen the impact of the bolt traveling to the rear of the receiver.  It looks like the receiver on the right in this picture:

https://preview.redd.it/j8v1h7rtwl691.png?width=1008&format=png&auto=webp&s=9d0d155e4e35e67af85d721d6d0d0da898f5d528[/url]


All the MP5 buffers I'm seeing for sale online say they are for the collapsing stock variants:

https://hkparts.net/product/mp5-a3-retractable-stock-buffer-black-p18160.htm/
https://www.midwestgunworks.com/hk-mp5/buffer.html
https://www.midwayusa.com/product/1020297085

After modifying the G3 rear stock sheet metal to fit on the MP5 receiver, do you need to install a buffer if you're utilizing a fixed stock?


@tReznr

Here’s how the buffer situation has been explained to me when it comes to MP5’s.  Pistol caps and collapsing stocks have a little rubber/plastic buffer inside of them because the inside of the cap sits close enough up in the receiver that the bolt will bottom out on the buffer before the recoil spring bottoms out.  On the solid stocks, that back portion sits far enough back that the bolt will bottom out on the recoil spring fully compressed before it would impact the inside of the cap.  Therefore a buffer would be useless.  You would have to take a look and compare an A2 stock to the modified G3 stock but I would imagine you can go bufferless.
Link Posted: 10/23/2022 2:22:50 PM EST
[Last Edit: GySgt_D] [#32]
I'm painting magazines today-



Attachment Attached File


Different lighting-
Attachment Attached File
Link Posted: 10/23/2022 6:44:04 PM EST
[#33]
Discussion ForumsJump to Quoted PostQuote History
Looks fantastic - professionally fantastic.
Link Posted: 10/24/2022 1:05:52 PM EST
[#34]
Today's addition-

Attachment Attached File
Link Posted: 10/25/2022 12:04:15 PM EST
[#35]
GunMagWarehouse has HK 30rd mags on sale for $64.99

https://gunmagwarehouse.com/hk-mp5-sp5k-hk94-9mm-30-round-magazine.html
Link Posted: 10/26/2022 7:48:41 PM EST
[#36]
I held out for MONTHS after getting my AP5... months after putting my first 500 flawless rounds through it.

Just ordered the -p version.
Link Posted: 10/29/2022 8:49:06 AM EST
[#37]
Rebate came in on Thursday!  Shot my jailed Omega 9k yesterday.  What a combo!  It really is awesome!
Link Posted: 10/30/2022 10:57:18 AM EST
[#38]
Started with the full size.
Loved it.
I plan to watch diehard while spooning it this Christmas.

Month later i just had to have the "P" (PDW K model).

Now i want the M.  
Link Posted: 11/1/2022 10:20:32 PM EST
[#39]
Fuck it , I’m in. Bought a full size with pistol brace. Also couple extra mags and optic rail. Any good red dots for under $300?
Link Posted: 11/2/2022 10:02:07 AM EST
[#40]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By CFDFFEMT:
Fuck it , I’m in. Bought a full size with pistol brace. Also couple extra mags and optic rail. Any good red dots for under $300?
View Quote

Used aimpoint PRO's are pretty dang close to 300, maybe 350. Really tough to beat at that price point.
Link Posted: 11/2/2022 10:16:14 AM EST
[#41]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By hollowhandle:
What ammo is good for the breaking in period? Most of the 124 grain I see is not +p or is hollow point.
Anyone have a good recipe for making my own. I have tightgroup and wst powder on hand.
View Quote

I bought 1500 rounds of the MKE 124 grain. Worked flawlessly
Link Posted: 11/2/2022 10:38:57 AM EST
[Last Edit: LOS] [#42]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By WildBoar:

I bought 1500 rounds of the MKE 124 grain. Worked flawlessly
View Quote

I can also confirm MKE 124gr is damn good ammo.




Link Posted: 11/3/2022 11:32:20 AM EST
[Last Edit: dwalme] [#43]
AP5-P Core back in stock at Atlantic Firearms.   Just bought the AP5 that I pick up today.  Tempted to get the AP5-P.
Link Posted: 11/3/2022 1:21:39 PM EST
[#44]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By dwalme:
AP5-P Core back in stock at Atlantic Firearms.   Just bought the AP5 that I pick up today.  Tempted to get the AP5-P.
View Quote

Picked my -p up last night. Love it already. Took tomorrow off to put 500 rounds through it.

I also bought 1500 rounds of that mke 9mm and it worked flawlessly through my fullsize. Do it. Get both.
Link Posted: 11/4/2022 10:24:28 PM EST
[#45]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By LOS:

I can also confirm MKE 124gr is damn good ammo.


https://imagizer.imageshack.com/v2/1280x1024q90/923/FUupm4.jpg

View Quote



Is that MKE ammo +P?
Link Posted: 11/5/2022 1:36:50 PM EST
[#46]
It doesnt say +p on the box.

Just got back from the range with my new -P, and it didnt run for shit. im kinda pissed. Going to order a new extractor spring or 10 and see if that helps. First two mags ran flawlessly, and after that it went downhill with double feeds and double feeds with an empty in there.
Link Posted: 11/5/2022 3:10:39 PM EST
[#47]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By 68MUDSTUD:
It doesnt say +p on the box.

Just got back from the range with my new -P, and it didnt run for shit. im kinda pissed. Going to order a new extractor spring or 10 and see if that helps. First two mags ran flawlessly, and after that it went downhill with double feeds and double feeds with an empty in there.
View Quote
... keep in mind that UNTIL I EXPRESSLY shot +p ammo through my standard size MKE AP5, it malfunctioned like a POS.

Not two rounds out of it without a malfunction - particularly failed to extract - some spent cartridges even feel into the trigger pack... a desperate POS.

Then? Bought the +p (124 grains I think) and shot I think 200 of those.

Not a SINGLE malfunction since - and I've been using standard, CHEAP and even steel cased 115 grains ever since

Please keep this in mind.
Link Posted: 11/5/2022 3:30:26 PM EST
[#48]
Link Posted: 11/5/2022 5:35:10 PM EST
[#50]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Solo_:
... keep in mind that UNTIL I EXPRESSLY shot +p ammo through my standard size MKE AP5, it malfunctioned like a POS.

Not two rounds out of it without a malfunction - particularly failed to extract - some spent cartridges even feel into the trigger pack... a desperate POS.

Then? Bought the +p (124 grains I think) and shot I think 200 of those.

Not a SINGLE malfunction since - and I've been using standard, CHEAP and even steel cased 115 grains ever since

Please keep this in mind.
View Quote

Copy that, ordered some sig +p to try. thanks.
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