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I've been shooting the M16A2/M4/AR15 platform since 1989, yeah I'm that old (51). A lot of things have changed over the years, but the basic design hasn't. My two cents is this. Start with a regular mil-spec set up. See what it's capable of. You as a shooter will be surprised at how well it performs. In most cases it will out perform you. Buying upgrades is good, and I'm all for it as long as it is truly needed. But people, don't fall for the brand name HYPE. One does not need a 2,000 + dollar rifle to hit man size targets at 500 yards with iron sights. A worn out sloppy GI gun can do it all day long. I know it can, been there done that. It comes down to training people. That high, over priced, brand name gun that you shoot maybe a few times a year isn't as effective as that 500 dollar one you shoot every other weekend (or more if possible). Spend your money on ammo and training. In the end, you will happier, and a far better shooter. One last thing...THE POWER OF THE PEOPLE IS STRONGER THAN THE PEOPLE IN POWER 🇺🇲 🏴☠️
Sir, God bless you and yours
@702mechanic5 Just speaking the truth through my experience.
Well said.
Perfect timing on this! Just staring a SBR 223 build. Going silent capture, variable mass, and adjustable gas block with expectations of suppressing in the future. Thank you for the excellent break down!
my favorite bromance on youtube.
I really really, I mean REALLY wish JP produced a titanium VMOS carrier.
I find that I LOVE the combination of low mass carrier and high mass buffer. Just soooo smooth and reliable it's amazing, the buffer mass has so much dead blow effect with the very low mass carrier that there's no impacting. Can't do that really though with any JP carriers, only the aluminum is light enough but it's not durable. So I run titanium carriers with a JP-SCS all tungsten. I think adding two more tungsten rings would just make it better.
FWIW I don't do the race gun thing, I do this with my self defense ARs. I found that the lighter mass is actually more reliable.
What does "dead blow effect" mean?
I was thinking about building something where everything in the operating system is as light as possible, so the least amount of gas is needed, with an adj. gas block.
@@bullheadedgideon1673 You've never used a dead blow hammer? Have you shook a buffer? Or seen that the weights on the SCS slide a bit and impact on rubber?
Because the weight is decoupled from the carrier some it can move a bit independently. Think about the series of things that happens while the action is closing. The spring is pushing the carrier forward accelerating the carrier, but the spring isn't pushing the weights forward, so like ball on the floor of an accelerating car they slide back. Then the bolt starts to strip a round off the mag, this slows the carrier, so the weights slide forward, pushing on the rubber giving it a shove.
Then there's a moment where the cartridge is rather loose, the carrier is accelerated by the spring again weights slide back again. Now the action must close, the extractor has to pop over the case rim and the bolt has to rotate. So again the carrier slows, and the weights slide forward giving an extra shove when it's needed most. Next the carrier impacts the barrel extension coming to an abrupt stop. Enough that it wants to bounce back some. There the weights push on the rubber, keeping the carrier pinned in place.
I too want as little gas as possible, this brings a whole pile of benefits. I run a carrier that's only 3.9oz. which again brings many benefits. But I find it cycles much more smoothly and reliably with a good chunk of buffer mass.
You guys are cutting edge in technology. Thanks for the video I ask myself this about BCG all the time
Ehhh, if they were they'd be using titanium.
The lighter you go with the reciprocating mass, the more sensitive everything becomes. It will become picky about ammo changes and fouling. Also, you'll most likely need to go with a lower power recoil spring, in addition to adjustable gas, to get everything running right
Wouldnt a lower power(weaker) spring be worse when taking weight from bcg? I thought a stronger spring slows down the bolt?
@@RF_GT3The bolt has less mass, meaning less force is required to slow down and cycle.
interesting , i use an adjustable gas block and ur correct bout dailin it in correctly
2a armarment lightweight ajustable bcg I think they make a even lighter one out of titanium now is the titties rn for light weight bcgs pair it with JPs silent capture h2 system for mine at least shoots super smooth and is very reliable. yhm turbo k can 11.5 sig barrel
Yup, I use the titanium 2A in my 308.
@@snek9353 how do you like it I love mine
@@lupecardona306 Big fan so far.
I've always heard adj. gas blocks are a better choice vs adj. BCGs due to 1) BCG gunking up quicker since the gasses are flowing thru it, & 2) taking more gas away from behind the projectile.
Any truth to this, or just "wives tales?"
Thank you for sharing
What would I look for in a 6.5 creedmor precision gas? Outside of competition?
How long does the rubber orings last in the variable mass carrier before having to replace them also if in a competition and one or all of the orings break off would you still be able to run it without the orings ? Thanks
I wish you guys would do this same video for the AR10. I have the silent Capture Spring and JP variable mass BCG with high pressure bolt. My rifle runs but I feel like it is over gassed.
FWIW I have the large frame VMOS, IMO it's just plain too heavy even at it's lightest. Neat setup and if I build a 8.6 Blackout it might be a good fit, but for my 308, nahh I went titanium.
Totally different purposes and uses for each carrier.
1st queation I'm running a H3 buffer on my .50 beowulf with a standard carbine spring, I'm getting carbon burns 1/2 way down the brass. It's changes as more rounds are used and the weapon get hot, but it still is there. What to do? 2nd my 300 blackout 16" carbine rifle ejects the brass back @ 5 o'clock or over my shoulder stock gas block. I've tried adj buffer weights down to 2.4 oz with no luck while using 220grain subsonic rounds. At this point all I can use is 300- 110 grain.
JP Rifles seems to be on the leading edge of tech. I wonder what your thoughts are on a couple of innovations that showed up a while back, then faded. Have you seen the Sharps Rifle BC? It has chamfered lugs (for running dirty.) And the material is a different hardness (tool steel?). Also, I saw a bolt carrier that was "unibody" with the gas key forged into the body of the carrier. One piece, no screws needed to hold the key. Why wouldn't JP Rifles incorporate either of these product enhancements?
I'm a BIG fan of the Sharps bolt and those chamfered lugs. I don't use their carriers but that bolt really solved the fouling issues with my suppressed setups.
1 piece normally for piston guns not DI, could be why JP doesn’t have a mono body carrier
Good video
JP's great if you don't want or need mil spec.All of my rifles are for self defense so I lean toward Colts.
FN, LWRCI, Knights Armament, LMT, HK all have military contracts as well. Don’t limit yourself to an outdated design and company who refuses to innovate. LMT and LWRCI have full ambidextrous lowers, HK, Knights, LWRCI and FN have cold hammer forged barrels making them last longer too. Colt is so 1990-2010. They work but damn they need to innovate and add some features.
What it the best for sub ammo and suppressor ? For sub ammo will not Push the bolt carrier back to cycle .
I only run JP bolts and LMT eBolts in my carriers. I really wanted a complete JP Bcg but it seems like they stopped making the fmos full auto capable. Not that I have a machine gun but I do run suppressors and the extra weight helps, and I hate the look of a neutered Bcg..
Keep watching for updates. You never know, your wish may be granted.
What would be a good option for a ar pistol with the Franklin armory binary trigger 5.56 nato
Get some.
In layman's terms?
Trying to build a 6arc prs gun without using of a suppressor, so would stainless steel LMOS would be the best choice?
You can most certainly not run a retaining pin with a normal spring and buffer. No need for an expensive aftermarket recoil system to not use one. Plus, your SCS system is NOT optimized for the A5 tube.
Beards are looking good fellas
Does the variable mass carrier work with a law tactical folder? I ordered the SCS h2 for the law folder and would consider the vmc if it is compatible.
You guys gotta drop the prices on receivers. Just too crazy $$ for 95% of shooters to start builds…the adac lower is 50% more from you guys than Radian…plus no pins installed….or raptor safety. Gotta try to sell these while you can guys…
Granted, JP rifles is not one of the more affordable rifles for the newbie.
However, they are among the best, leading edge technology. That foray into the elite has it’s cost.
As other manufacturers adopt similar technology, the cost will come down. Until then, JP kicks ass
Good stuff isn’t cheap. Just stick to an Anderson or PSA if you are looking to get cheap stuff.
@@AutopilotAndChill
And cheap stuff isn’t good 😉
Who’s talking cheap. I mean,I just ordered a second Radian in OD green, but I can’t justify a JP set. Same exact features. Minus the parts kit. Let’s sell these while they are hot JP! 25% reduced price and include a parts kit….plus cerakote options. You can do it.
@@jimziogas8978
Looks like you found what you’re looking for. Awesome.
Why would we choose on of these over the LMT full auto enhanced?
Their full mass carrier is effectively the same thing as the LMT full auto. Identify your needs and purchase accordingly.
I have a 6mm ARC, 18" BA barrel w/rifle length gas, Superlative Adj block, rifle length buffer tube fixed stock. I only shoot Hornady Black 105gr and full time KGM R6 suppressor direct thread. I'm a pure recreational shooter looking for optimal reliability, just set it and forget it as my ammunition will never change. I'm leaning towards your silent capture spring and full mass bcg. What are your thoughts and part numbers?
How is this bulid of your running? Im looking into buliding a 6 arc as well.
What recommendation do you have for a bcg, for that broke guy that could only afford 1 ar-15 5.56/223 and uses it for an all purpose rifle such as comp, target, self defense, etc. Should he just stick with a toolcraft, or do you recommend something different oh and non-suppressed can't afford a suppressor
Sons of liberty. Lifetime warranty no questions asked. And top 2 bcg on the market
Colts
I wonder how many goobers are running LMOS carriers with an H2 buffer LOL.