I’m slowly piecing together an AR15 for the wife and I’m interested in the low mass carrier and recoil characteristics.
This is not a high end build but an entry level AR for local shoots. Really a fun project gun, I’ll be using a Spikes Snowflake lower and Spikes upper with a 16” mid length gas barrel, ALG purple MLOK handguard, something like an ALG Sidewinder brake, MagPul stock and grip and finish with an ALG ACT trigger. Sight to be determined but probably a Steiner PX4i 1-4 scope.
I currently have two, and if price were no object I would have a JP carrier in every AR-15 that I own.
Paired with a good muzzle brake, a properly tuned rifle with a JP carrier is dramatically more pleasant to shoot, and EASY to shoot, than a standard AR-15.
Many off the shelf rifles come with overly large gas ports. This is to guarantee reliability with the wide assortment of ammunition on the market today.
This also results in many rifles being overgassed with decent ammunition. Much of the perceived recoil of an AR-15 is the bolt carrier/buffer slamming into the rear of the receiver extension.
The machining on both of my JP carriers is exceptional. They are so slick they feel like they are made out of glass. None of the sharp edges and rough surfaces of a standard phospate carrier.
The carrier in my 3-gun rifle has thousands of rounds on it, with no discernable wear on any of the bearing surfaces. Absolutely get the QPQ finish, not naked stainless.
I just finished a build for PRS Gas Gun and used a JP carrier. Less than 100 rounds through it, but while I was tuning the gas system, I was able to watch my bullet impact steel.
A few things to keep in mind.
It is part of a system. You really need to pair it with an adjustable gas block. I would recommend the JP. It is click adjustable with captive detents so it CAN be disassembled to be cleaned if necessary.
You will lose most of the effectiveness of the JP carrier if you can't tune the gas port to your ammunition. It really is essential.
Another part of the system is the buffer. It is counterproductive to pair a low mass carrier with a heavy buffer. You may chuckle at that but I have seen it done by people who really didn't put a lot of thought into how the whole system works. You don't have to buy the JP silent captive spring, although it is nice. Just use a standard carbine buffer, and if you want to play with it even further you can experiment with removing weights from it.
Even if it as you describe, and not a high end build.... You will NOT regret the recoil characteristics if you take the plunge and a JP LMOS carrier and adjustable gas block.
I don't have any experience with the sidewinder brake. And ALG/Geissele absolutely makes great stuff, but take a look at some of the muzzle brake side by side reviews out there. I'm not saying don't buy the sidewinder, but explore all your options.
Some are WAY more concussive than others, and some can reduce recoil by ~70%. There is usually a happy medium out there somewhere depending on what you are looking for.
Yeah as you mention above, I'd sort of have to disagree with that. I have race guns that don't move when they go off, but the comps make them distinctly unpleasant to shoot.
Sliced bread, the greatest thing since the 1911.
I guess I should have clarified that better.
Lots of comps are very loud. Some are worse than others.
Pleasant in terms of the rifle having negligible movement during firing, and being able to watch your bullet hit the steel.
I saw your last build post and that got me looking.
I will of course use adjustable gas block but hadn’t thought of the buffer. I’m not set on a muzzle break as though I’d like to make the gun recoil flatter, I don’t want to be overly loud.
On my most recent build I used a Cross Machine and Tool comp. Had some buddies out to shoot and the CMT comp was MUCH less snappy and obnoxious to the ears than my buddies rifle with a JP Cooley Comp.
If you are looking for good characteristics without excessive noise I think you would be happy with it. I was still watching my bullets hit steel at 200-500 yards.
This is the one.
Mine was a prize table pickup in untreated stainless. If I were buying one I would get the nitride version.
Brownells has that brake for a better price so that’s good.
I need a low profile gas block, preferably to fit under an ALG rail. ALG because it’s a smooth and it’s available in Purple for my wife.
I bought one of these for my Ares Defense Belt fed for when we're set up at a show ...
This is so much less scary
If you really want something you'll find a way ...
... if you don't you'll find an excuse.
I'm really not a "kid" anymore ... but I haven't grown up yet either
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