XM177 clone build help

NYRangers917 · Sep 17, 2019

Trying to build/buy a md legal xm177 clone. I havent bought any parts yet still in the planning phase.

Was looking at the retro rifle from brownells but unfortunately it is not hbar and I do not own any pre '13 lowers.

Does anyone have a source for a pinned xm177 style a1 upper? Everything i've found on google thats xm style is non hbar.

Would it be better to just by a 16" and chop it down to legal with the comp pinned?

Looking for something like this http://www.olyarms.com/shop/parts/barrel/barrels-standard/arb-car.html

but hbar obviously

Anyone built one post '13? Where did you get your parts?

Thanks for any help

ken792 · Sep 17, 2019

Just do it as a pistol and put an SBA3 or SBA4 brace on there.

DutchV · Sep 17, 2019

Here you go:

https://shop.windhamweaponry.com/product/ba11hb/

Mini14tac · Sep 17, 2019

Here is a good source for parts. https://retrorifles.com/ I really like his GEN1 3.5 Prototype with slots. I had to have it parkerized though.

Brownell's is another good source for parts.

As far as wether to go with a pistol or rifle is your call. For a post FSA13 rifle you would have to get someone to cut, thread, re-crown, pin and weld a carbine length HBAR.

I had John @ Duffy's cut, pin and weld one of the XM177 flash hiders on a govt profile barrel but that was for a pre FSA13 rifle.

NYRangers917 · Sep 17, 2019

Thanks for all the replies

ken792 said:
Just do it as a pistol and put an SBA3 or SBA4 brace on there.

I'd really like to stay with a carbine so i can do the correct stock etc.

Mini14tac said:
Here is a good source for parts. https://retrorifles.com/ I really like his GEN1 3.5 Prototype with slots. I had to have it parkerized though

Great site thanks. But if i took an 11.5" barrel and used one of their 4.3" moderators i'd still come up .2" short of legal right?

Mini14tac · Sep 17, 2019

Great site thanks. But if i took an 11.5" barrel and used one of their 4.3" moderators i'd still come up .2" short of legal right?

Yeah you would probably be a bit short. Do the make 11.5" - 12.5" HBAR's? Like I said before you might have to get a carbine length HBAR cut down.

DutchV · Sep 17, 2019

Here's a 5.5" XM style flash hider to go with the 11.5" HBAR I linked earlier:

https://www.tntesales.com/xm177-5-5-flash-hider/

SCARCQB · Oct 12, 2019

My first AR

SGW CAR15 ( bought one 1988)
It’s still a kick azz Weapon.

Biggfoot44 · Oct 13, 2019

Tony's Custom offers Heavy bbls and uppers in 11.5in , with and without pinned muzzle device . He's usually at Chantilly .

Boss94 · Oct 14, 2019

Biggfoot44 said:
Tony's Custom offers Heavy bbls and uppers in 11.5in , with and without pinned muzzle device . He's usually at Chantilly .

he also offers it with either the triangle forend, or the round. I did 1 with the triangle as a pistol and love it !

Pinecone · Oct 14, 2019

You can always make it as an SBR. That way you can do the short barrel and gov profile.

bkuether · Oct 18, 2019

Here is mine. I love it, except they shipped it with an F stamped sight, even though I requested A2. My pin in front is really low. Doesn't affect accuracy but did kinda piss me off that I didn't get what I wanted. If I could find an accurate stock in the same color I would change it out. I need the shell deflector though, as I am left handed...

Rockzilla · Oct 19, 2019

Biggfoot44 said:
Tony's Custom offers Heavy bbls and uppers in 11.5in , with and without pinned muzzle device . He's usually at Chantilly .

2nd Tony's used him for a lot of parts, great company.
Like the "retro stuff" gotta do something with Sendra Lowers...

-Rock
(-off-)

Rambler · Nov 6, 2019

NYRangers917 said:
Thanks for all the replies

I'd really like to stay with a carbine so i can do the correct stock etc.

Great site thanks. But if i took an 11.5" barrel and used one of their 4.3" moderators i'd still come up .2" short of legal right?

Retro rifles has barrel extensions. It would need to be pinned or welded to the shorty barrel:

https://retrorifles.com/barrel-extenders-3-5-4-5-inch-length/

XM177 clone build help

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