Quick Tip: BRN-4/HK-416 Barrel Swap

Join Caleb from Brownells in this detailed tutorial where he walks you through the process of swapping barrels on a BRN-4 upper receiver, the HK416 clone that's become a favorite among enthusiasts. In this video, Caleb takes a 14.5-inch nitride barrel and replaces it with a 13.7-inch chrome-lined barrel, explaining the reasons behind the swap and highlighting the benefits of chrome lining for your firearm.

[@aviesto2417]

Hi Brownells thank you for showing hk416's barrel. I never had experience with real guns but video like this helps me to learn about assault rifles a lot. Looking forward for your channel to grow big. 🔥

[@aviesto2417]

The only experience I had is disassembling ak-47(Not Functional just for training)

[@terryboone3333]

I don't have a brn upper but i enjoy learning how they operate. Always learn something new every day.

[@marsoelflaco5722]

The right tools, a breaker bar not withstanding, and a little know-how makes all the difference.👌🏽✌🏾

[@natejackson4791]

Caleb, excellent to see yooz guyz develop this upper. Better yet, how about a COMPLETE REVIEW on this system for us to know if we need this or want it.
I'm thinking I need this one.

[@ThePatriotParadox]

I love watching someone do what i love to do..... unfortunately i don't have an endless supply of guns to work on, but maybe i should be in shop were i can work on all types of guns for fun and also get paid a little scratch for it.... 🤔

[@ThePatriotParadox]

I tighten my barrel nutz a little too much lol.... Hope my upper doesn't break when swapping my barrel

[@danielhess39]

Great video!!👍🏼🤩 thank you

[@qedsteve]

For those (like me) with short attention span - how does the barrel/receiver/gas block all line up? Does the barrel align to the receiver? The Gas Block to the barrel? (I have a BRN-4 with 16 inch heavy barrel but MIGHT look at a barrel swap to lighter barrel). The alignment wasn't obvious to me in the video. I have to assume that there's some kind of barrel/receiver alignment feature?

[@rufiofromhookmaybe1694]

The hk416 barrel torque range is 70 ft/lbs with an alloted variance of 10%, friend. I assume it'd be the same for the brn4?

[@JacksonPhillips-jx3gp]

I love yall

[@bgcal50cal]

Using a hammer handle instead of a soft face dead blow hammer is a great way to raise splinters on the handle!

[@sixoffive]

1:26 did you slip that in “de-vise”?

[@Condrasul]

thank you for this content! love it - and does any one know i i can fit an BRN-4 barrel in an Haenel CR223? cheers

[@angryjackalx]

Any plans to release these with an adjustable gas block and a little bit more attention given to the upper itself? Even the one in this video looks rough.

[@fattigla]

Is the 13.9 barrel profiled different? It looks like a lighter profile.

[@myelling7773]

Anyone know if HK BCG/bolts are compatible with the BRN4?

[@firstbeforelast433]

Cant watch at the moment? Can these run 300blk Barrels?

[@practicalplinking6133]

Yer wall clock needs a good battery !!

[@ced5559]

4:20 all day… Brownells what are you up to… 😅

[@ThePatriotParadox]

Seems like a 10" would be much more practical, giving some room and also covering the piston block

[@joemama.556]

or even a 12.5"

[@ThePatriotParadox]

A copper based anti seize i see... Was the original and works just as well as aluminum based.....