5 Inch Micro PSA 5.56/.223 Ar15 Pistol Build W/ Micro Buffer Tube Unboxing/Review

mcsgearup.com
Our USA Made Upper assemblie is one of our many options for an AR-15 Assembled Upper receiver. Our specialty is designing custom built upper receiver that only use the best USA Made parts at the best prices.
USA Made 5.56 NATO AR-15 Upper Specifications:
Sizes 5"
USA Made Forged 7075-T6 Black Stripped Upper
USA Made Black Dust Cover
USA Made Black Forward Assist
5.56 NATO Caliber
USA Made .750 Lower Profile Gas Block
USA Made AR-15 Birdcage Thread 1/2x28
USA Made Free Float Handguard Black
This 3.5" short buffer system transforms your AR pistol into an even shorter and more compact backpack gun. Other than a spanner wrench no additional tools are needed outside your armorer's tool box. Standard end plate.

[@ydtoonice1450]

Yeah bro pepole who comment on shorts hating be kids who never touched a gun you can see the difference in these comments kerp grinding 💪🏽

[@pollutedgaming961]

what sad is that i sat here an watched you struggle all that time without thinking I can jus skip forward lmao

[@mr.300blkout]

🤣🤣 my bad

[@son_of_guns]

Thank you prior to watching for this comment 👍

[@gordonashley6082]

Good video but brah you need to sharpen that blade man!

[@Richoffcarts420]

Same😭😭

[@Sobersally]

@@mr.300blkout fuck that hating hoe your guns are dope dog 🤟🏼

[@rxmarlo2303]

Waiting on that shooting vid 🔥

[@Chill-mm4pn]

I like the fde, looks good.

[@jameskeshawn3689]

Keep making more video💪🏽

[@22jeepmojave75]

JUST MAGNIFICENT!

[@Dynallye]

Good info👍

[@StickysituationTV]

Idk why this video was soothing to watch lol 😂😂😂

[@soldierofjudah9356]

You know your stuff, man !!!

[@Citizen2ACitizenLLC]

super dope fam....

[@Blackmajic21]

You need to put a sharp edge on that shank.

[@selfpaidbuck9421]

Mine otw some jus like this 🔥

[@kpdontfwu]

this fire

[@graveyardkid777]

dats hard 🔥gang i gotta build me 1 oms

[@Zchoppa843]

🔥🔥 💪🏾 all yo shit raw dawg

[@mr.300blkout]

preciate it gang 🤝🏾

[@OfficialAreYouSpazz]

You got that shitttt boy🔥🔥🗣️

[@topshelfbully3154]

Drop More Often

[@goon3xx13]

Put a 60 rd mag under dat gon be hard💯🔥🔥

[@mr.300blkout]

i had one the spring went weak , definitely going to get another one tho

[@izzymiller733]

I been using that tool wrong for a minute 😂

[@bandzalex7529]

Do a video abt the laser how you installed it and everything I need me one

[@mr.300blkout]

its on my channel

[@Bigbossmari2x]

🔥🔥🔥

[@bloody2b4u27]

Those are sexy gang in puerto rico i was in the hood in san juan they had 300 rifles all with 100 round drums shit was wavy some were gold , red etc most people out there are narcos who got big collection like that

[@imyungeddy9]

🔥

[@4bfatz]

So this shipped right to you cs i have everything else just need a upper?

[@blanewashington5509]

I need to know what is needed to turn the micro to binary

[@user-vq8fq3sk1v]

With it after you installed the micro buffer tube ? Just asking thinking of purchase one

[@JustAverageJeff]

Get yourself a benchmade knife you won't be struggling like that. Got that Miami cold huh?

[@waunotreyz2659]

How long did it take for the 3.5 inch buffer to come?

[@OFFICIALGSB]

I got that same 5inch upper is it good ?

[@TjjSki]

What exact palmetto lower is that?

[@nils5073]

what pistol grip is that

[@Taco_maniac103]

16:21 - what hand guard is that ? Where can i find it ? I wanna build a 7.5 inch and dont know what size i should get the hand guard

[@gatorboy5464]

“Took they time packaging this mf” hell nah🤣🤣

[@ARP_king5.56]

What buffer system for that micro fam????

[@6483hmless]

Who is your lower made by

[@strapjunior]

put a 2.5 inch buffer tube on it

[@PaperchasinFrank]

Sound like he off a jigga or a perc 10 😂😂

[@tupco5668]

where you get that tool to get the old buffer stock off to put a new one on

[@mr.300blkout]

its an ar15 wrench i ordered it

[@blixkhurk5812]

do you think i could fit that 5.56 upper on my Dpms panther lower?

[@joshuahurtado527]

Just put that build together💪🏽

[@oscarhernandez1796]

Great video!! You now if it's legal to put a larger hand stabilizer in the back or do u gata keep that stick looking thing in the back (stock looking thing ) Texas

[@mr.300blkout]

yeah it's now illegal unless you get i registered as a short barreled Rifle

[@oscarhernandez1796]

@@mr.300blkout that's lame lol u recommend any small ARs with similar weight to a ARP ? Or is the ARP for home defense be fast accurate n better handling with the regular stick thing (stock )

[@oscarhernandez1796]

@@mr.300blkout the front hand grip is ok doe ? For ARP that you have ?

[@user-rh5rl4mz9m]

Buffer tube😂😂😂

[@Truesteppaglizzy]

11:34 u see right there the lul tiny spring comes with it do I gotta add it or na

[@johnchapo3002]

Yes you need it if you lose just that lil spring your gonna have buffer problems

[@glochedderfam111]

Where u shop from

[@jaydenkruszewski8562]

I think the package showed yo addy

[@mr.300blkout]

naw i scratched it out thats company's address

[@EBKBooka_RM3L]

Micro Buffer Tube Is Usually For 9mm Arp, Hows It Been Holding Up?

[@mr.300blkout]

flawless

[@BanditApache-nd6lu]

Definitely should have a brace on it. Congress didn’t pass a law stating anything about them! Which means, three letter agencies cannot make laws. Carry on.

[@IslamTakeOver]

How much y’all buy it for

[@calvinarmster3796]

How long will the upper take to come in if it don’t have a delay ?

[@mr.300blkout]

probably a week

[@luhkoolaid]

@@mr.300blkoutmy thing days awaiting fufillment did yours say the same?

[@covontaemoten7748]

After I seen u struggling to open a package I don’t think u should have guns🤣🤣

[@spaghettipizza47]

That’s the wackiest buffer tube,spring, and plunger I ever seen that plunger looks like a hella weird shape from mine and that spring is super small and thin. It probably works just fun but I recommend strike industry’s buffer tube if not they have other high quality parts check them o it

[@mr.300blkout]

strike industries buffer is a bit longer than this one

[@urban2ndgen149]

Where u get that Ruger 57 extended mags from I need 1 or 2

[@mr.300blkout]

f5mfg.com

[@CPNcredit]

Can the 5 inch buffer tube go on my ar pistol with a 7.5” upper? I got a Omni Hybrid lower

[@mr.300blkout]

yeah

[@mr.300blkout]

but me personally i hate polymer lowers

[@CPNcredit]

@@mr.300blkoutPreciate 💯…And why so I see you had one what they don’t perform well?

[@eman6ix40]

Is your Omni all stock?

[@CPNcredit]

@@eman6ix40 it was b4 I removed the 16” upper and put on a BKF 7.5” upper receiver…But with my first question I was trying to see because I want to make it smaller

[@fessdapess]

Need to get you a sharper knife my book..

[@qpflicks]

is yo 300blk upper a 7inch or 10?? lmk, that bih perfect size fasho

[@mr.300blkout]

7

[@Kai3000C]

U had to adjust the gas block?

[@mr.300blkout]

not at all , range vlog on my channel

[@greatlakergaming]

What’s da piece you need to put that laser on there

[@mr.300blkout]

picatinny rail slots

[@lolol9312]

i have 7.5 in omni hyrbid arp, could i take the upper off & replace it with a 5 in barrel or do ihave to get a whole new lower for it?

[@mr.300blkout]

you can change them out any ar15 is interchangeable with each other as long as it isn't something like a .308

[@BlkoutRugo1200]

Most ar15 parts interchange especially if you have a multi cal lower

[@garlandjohnson5810]

I wouldn’t got smaller then 7.5 if chambered in 556/223 you lose a lot of power those rounds were made for long barrels if you go that short I’d go for something like 300blk

[@lolol9312]

@@garlandjohnson5810 dis dude literally has 5in barrel wit 223/556 an iss str8

[@f5ot.7]

how long did it take the BB gun to get to you

[@mr.300blkout]

a couple days

[@kanye-3851]

quick question when u order yo upper and other parts off mcsgearup do it ship straight to your house?

[@mr.300blkout]

yes

[@kanye-3851]

@@mr.300blkout where u order yo Lowers from too that ship straight to the house

[@mr.300blkout]

no got to send to an ffl for a background check

[@drewtv7112]

@@mr.300blkoutdo you have to be 21

[@MoneyMob414]

Did you order the upper with bcg or just complete upper alone

[@mr.300blkout]

just the upper i already had a bcg it came with a charging handle tho

[@OuuSe7en]

Where you ordered from?

[@StayDownYoungin]

@@OuuSe7en I’m looking fa da same answer 😂😂

[@OuuSe7en]

@@StayDownYoungin I just got mine I ordered it with the BCG and CH

[@Mr.walkyoassdown2Xs]

@@mr.300blkoutwhat site u use bro

[@tupco5668]

mini buffer stock or just a regular one

[@mr.300blkout]

thats the regular pistol length tube there i got the micro one tho

[@chantelalston3720]

Where you get the upper Yeen really say tm

[@mr.300blkout]

i did i said mcs gearup

[@jaiceon8438]

Where did you get the upper

[@mr.300blkout]

mcs gearup you must didn't watch the whole video 😂

[@ant2smoothh_50]

how long did it take to come the barrel

[@mr.300blkout]

a week

[@tupco5668]

where could i get a buffer spring a buffer stock

[@mr.300blkout]

huh ?

[@Onlygangeatz]

brah you got some fyee ass guns but yu should have spent ay few dollars an got you a damn knife 😂😂😂😭😭

[@mr.300blkout]

😭😭😭😭

[@drewtv7112]

do you know the age limit on buying fully assembled ar lowers

[@mr.300blkout]

21

[@drewtv7112]

is it illegal to put a regular ar15 lower on a arp upper

[@Slatt556]

@@drewtv7112yes it’s now considered a “short barrel riffle”

[@Kai3000C]

What lower got for it ?

[@mr.300blkout]

palmetto state

[@Voodoo4U]

Does PSA make a 5in 556?

[@mr.300blkout]

no

[@trashaundezbolden629]

How long did shipping take for you ?

[@mr.300blkout]

2 week they had a delay

[@trxpbxbyeuro2670]

Where he get from in do u need ffl

[@mr.300blkout]

@@trxpbxbyeuro2670 not for the upper

[@ctn_trey3908]

where u get the lowers from?

[@mr.300blkout]

palmetto state armory

[@ctn_trey3908]

@@mr.300blkout bet

[@delleonthompson3234]

What kind of riffle light is that?

[@mr.300blkout]

hilight laser flashlight combo

[@g0lfg0d40]

@@mr.300blkout Can you drop the link to it can’t find it

[@7.62moonk4]

Where you ordered your upper from ?

[@mr.300blkout]

😂 you must didn't watch the whole video

[@7.62moonk4]

@@mr.300blkout I did I went back ig I missed it

[@Shootergang5.7]

@@7.62moonk4cbcpfa

[@TjjSki]

Which lower is that?

[@mr.300blkout]

palmetto's state

[@iClutchCheeksTTV]

"thirty" lmfaooo

[@BBullyTransport]

Big Dawg What’s The Name Of That Tip On That Binary ? That Mfka Hard

[@mr.300blkout]

zombie thumper

[@BBullyTransport]

@@mr.300blkout word is it a big difference in that vs the shark tip or any other basic tip ?

[@mr.300blkout]

the zombie thumper is s breacher muzzle break so yeah it's pretty different i got it for the looks tho honestly

[@BBullyTransport]

@@mr.300blkout okay okay Sayless Preciate it, I was order both and test them out but you answered my question

[@jahookem]

Sell me your Ruger 5.7 mag extension

[@jaydenkruszewski8562]

showed yo addy at 6:05

[@mr.300blkout]

that's not my address thats the company address

[@jaydenkruszewski8562]

@@mr.300blkout awl alright. Even to you got them equalizers, I don’t want no one tryin sum

[@Certifiedcutcatchaz]

🔥 🔥🔥🔥💪🏾😂💪🏾Whr u order gng

[@mr.300blkout]

mcs gearup

[@Certifiedcutcatchaz]

@@mr.300blkout snm👌🏽🐐💯😏

[@Ghost_415]

Ain’t tryna talk shit but just know one of ya rifles was not on safe. Just be careful dawg cuz u don’t wasn’t no accident

[@chantelalston3720]

Upper ?

[@mr.300blkout]

mcsgearup.com

[@ninjawatcha1269]

Have you shot it yet? Any issues?

[@mr.300blkout]

couple shooting shorts on my channel

[@ninjawatcha1269]

@@mr.300blkout looks good & any issues running it with a binary trigger?

[@mr.300blkout]

sometimes the trigger doesn't reset with the binary idk if i was shooting it too fast for the short buffer or what i'll have to test it again

[@mr.300blkout]

cause it's usually after the like 10th shot

[@ninjawatcha1269]

@@mr.300blkout try a skeletonized BGC & echotech trigger 👍

[@taihjahmoore9235]

Have it ever jammed or any malfunctions with the first buffer tube before you changed it to the micro buffer tube

[@mr.300blkout]

naw it works better with the first buffer , the short buffer runs fine too it just doesn't perform too well with binary or frt's i think i its not long enough for the trigger to reset at such a fast rate but semi its flawless

[@scrapyardprospecting3855]

Try the dead foot arms 2.5 buffer system.

[@oneswipe5013]

That’s a 100 round drum 😹

[@tyreecekennerson8009]

A sticks with two titties

[@davef.566]

Hi mr 300blackout is this micro buffer a pathaon

[@mr.300blkout]

a what ?

[@Goodgunplay]

Sounds like a know. I have the pantheon kentri micro buffer on mine. I can vouch for that one. I think it’s the best micro buffer because the BCG insert has its own sleeve. Most of the other micro buffers just have the guide rod spring. So far it’s been flawless for me.

[@mr.300blkout]

oh , nah thats my first time hearing about that one its the 3.5 inch from mcsgearup

[@Goodgunplay]

@@mr.300blkout I wanted to try that one as well.

[@Dbsp214]

Yo so like why is there a bb gun in the background

[@mr.300blkout]

size comparison

[@Dbsp214]

@@mr.300blkout ohhhh alright

[@jahookem]

I’ll pay extra

[@jahookem]

Wym

[@jahookem]

@@sgstacs ?wym?

[@tonyprevatt9648]

Bet 100 he ain’t hitting nun

[@tech9auto223]

Can see why you need a gun cause you ain't up to much with a knife 😁

[@mr.300blkout]

🤣🤣🤣🖕🏽

[@1916hooligan]

is this type of ar build CA legal ?

[@ahmirj]

Need a sharper knife my boi

[@BlkoutRugo1200]

I only shop PSA

[@A_Squared_plus_C]

Bro you almost stabbed yoself to get that plastic off when all you had to do was take off the top...

[@Tanner4.20]

Need to sharpen that god damn knife

[@Kai3000C]

That website legit?

[@mr.300blkout]

100%

[@larrybookhamer1176]

Sharpen your knife.

[@arsmoke5498]

Boy knife was dull as hell 😂😂😂😂

[@deadmangreedo]

Please sell all 3 other AR pistols and build yourself a good quality gun. My AR all together is around $4,300 all together with everything on it 11.5 inch. Get you a gun you can trust you and your people’s life with and train with it

[@jessegomez6371]

Good idea but why would he sell them when he can just keep and add a expensive one to his collection

[@mr.300blkout]

you the type of nigga buy designer just because it's designer, who's to say your $4,300 gun is better than any one of my builds? the price doesn't really guarantee quality most of the time your paying for the name

[@The0nehitwonder]

⁠​⁠​⁠@@mr.300blkoutdo you really think your PSA can out run an LMT, KAC, HK, FN, or even just a Geissele? There’s a reason why these companies have contracts with the military and PSA does not. Criterion barrels are significantly more accurate than a PSA barrel. KAC sand cutter BCG will out last any part of a PSA. A Geissele trigger…. The tolerances of upper and lower on an ADM receiver vs PSA. You just basically said there’s no difference between a Ford Fusion vs a Rolls-Royce.🤦‍♂️😂😂😂

[@The0nehitwonder]

Also the fact you’re running a 5” 5.56/.223 shows the lack of knowledge in ballistics. The only rifle caliber you should be running on a barrel that short is .300 AAC, or a pistol caliber. 5.56 or .223 needs at least 12” to fully burn the powder for efficiency. And 10.3” is the shortest you’d ever need to go, but then you’d have to run strictly 77gr to get proper fragmentation.

[@Mr.walkyoassdown2Xs]

Wanna sell me one of yours

[@wernout3983]

Bruh ain't no fucking 30 round drum in this video

[@mr.300blkout]

no fucking shit i was being sarcastic because youtube new policy doesn't allow anything over 30rds

[@chefrarestones1960]

I just watched this entire video and did not understand a single word that man said!!! 🤨

[@KarriwiddaK]

Y tf u kept watching 🧐green ahh

[@mr.300blkout]

everybody else understood maybe you should clean your fucking ears

[@invaderzym4572]

just because you called it “30 rounds” wont help. theres a YT rep that watches the vids they can SEE that aint 30 rounds 😂 and you aren’t supposed to show you inserting the Mag either

[@mr.300blkout]

oh well