Aero Precision M5 / JP 308 Build

**BoilerUp** · 8 June 2020, 22:24

Changes since last picture include new magpul furniture.

**Joelski** · 9 June 2020, 03:50

Hah!! Famous throwback! That ole gal will eat your lunch, dinner and breakfast the next day, and still be huntin' a snack! She's definitely a Bertha! [8D]

**bfoosh006** · 4 August 2020, 20:24

Originally Posted by BoilerUp

Changes since last picture include new magpul furniture.

FWIW... there is a far, far softer recoil pad available for those Magpul stocks...

https://www.nokick.com/Limbsaver_Rec...p/ls-10025.htm

And great thread, very interesting !

**BoilerUp** · 7 August 2020, 11:36

Originally Posted by bfoosh006

FWIW... there is a far, far softer recoil pad available for those Magpul stocks...

https://www.nokick.com/Limbsaver_Rec...p/ls-10025.htm

And great thread, very interesting !

It's a kitten for a .308. JP LMOS bolt carrier, JP Silent captured Spring, SLR Sentry AGB, and a suppressor all come together and allow me to tune this into a very mild shooting rifle. Of course, a $35 recoil pad would have been the cheaper option!

**BoilerUp** · 24 October 2021, 12:21

I'm generally a big fan and supporter of Aero Precision, but this one has me a little disappointed. The bolt catch for the M5 is a bit unique in dimensions such that if you want a guaranteed fit and function you really should just stick with the Aero part. So, you really only have one choice which wouldn't be an issue it was a well made part, but this happened to me yesterday and this doesn't sound like a particularly rare issue. Considering I'm using an AGB and Low Mass bolt, this really shouldn't happen. I doubt the lower even has a thousand rounds on it yet.

Luckily I had a spare so I've already replaced it. I'll contact Aero this week as I hear they'll provide replacements. The mag catch on my EPC also broke after a few hundred rounds but I can's say for sure I used an Aero part for that build, although their LPK mince FC is my go-to anymore.

**UWone77** · 24 October 2021, 15:56

You're right, definitely not uncommon to see. I've seen a bunch of those posted in the last year broken online.

I've switched some of my go to and higher volume shooters to FCD ABC's, but they're a pricey upgrade and always out of stock.

**Joelski** · 24 October 2021, 19:14

Rich, do you know if the FCD part fits the M5 lower and functions properly?

**BoilerUp** · 24 October 2021, 21:37

Originally Posted by Joelski

Rich, do you know if the FCD part fits the M5 lower and functions properly?

Was going to ask the same. Just went to the website and this is one of the customer reviews:

If you buy Aero M5 only bolt catch/release that works perfectly. Better than anyone else’s

Niormally I'd say that $58 for a bolt catch is kind of silly, but now I'll be watching for these to come back in stock.

**UWone77** · 24 October 2021, 23:13

Originally Posted by Joelski

Rich, do you know if the FCD part fits the M5 lower and functions properly?

It does. At least, I've had no problems.... yet.

**mustangfreek** · 25 October 2021, 00:47

Humm

I’ve been looking and thinking about the same for a 12.5/m5 setup.

Someone post up if you see some in stock.

**BoilerUp** · 25 October 2021, 18:27

Ah, it looks like Aero changed out their bolt catch somewhere along the way. I replaced my broken one from a spare Aero M5 LPK and it is different. The new one has serrations on the top and bottom, but the one that broke came from an Aero LPK I bought back in 2017 and it looks exactly like this one, which is what they are still showing on their webpage:

**mustangfreek** · 26 October 2021, 23:11

Humm

Ya I’m waiting for a FCD one to pop up, gonna swap it and keep the aero oem as a backup.

**Joelski** · 27 October 2021, 14:35

Originally Posted by mustangfreek

Humm

Ya I’m waiting for a FCD one to pop up, gonna swap it and keep the aero oem as a backup.

This.

**Joelski** · 27 October 2021, 14:42

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Bertha Butt's blatant post building photo bomb. She's a big girl all the way. She might go up to 13 lbs. depending on the size and quantity (She likes both) of the meal, and you better bring flowers and candy, or she'll eat your lunch too.

PS: The Ti baffles in the can don't help one bit..

**BoilerUp** · 17 November 2021, 07:50

Just wanted to mention that Aero did send me a replacement bolt catch. Unfortunately, FedEx never delivered it then lied about the delivery date after the fact (a day after the planned delivery date they said the Delivery will be reschedule, a few days after that it said it was delivered on the original scheduled date). I have heard of that happening but it was the first time it's happened to me.

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