Home Forums Hunting & Shooting AR and Tactical Rifles 556 BCG, between these two, BCM or Toolcraft?

As they are available.. I need one more.

BCM phosphate $189
Toolcraft phosphate $144

Both seem to be the proper stuff. Either or?

Rubber City fancy melonite but bolt not Carpenter 158. $199.

On this topic.

Springco 5 coil extractor spring is the go to? Keep or ditch the o-ring? SOLGW guy says trash them. What's the scoop?

The Toolcraft will be just fine...and I love BCM stuff. For a play gun, I have pretty much figured out any decent BCG is "good enough." I have been using the piss out of a cheap Melonite BCG from AIM Surplus for a few years and its been just as good as the "proper" BCGs I have.

I stopped using the O-Ring years back. I haven't taken the time to remove the ones I do have, but I dont put them in any more, and haven't had an issue as long as the 5-coil springs are used. The 5 coil Springco ought to be even betterer.

Thanks.

Anyone have any info on Pamax Tactical? They have melonite 556 Carpenter 158 bolts, $50.

MB,

The general rules is to run either the insert or the 0-ring but not both unless you're running pistol gas.
And on rifle gas, you commonly need neither.

I really like the BCM stuff, but I have plenty of Tool Craft stuff that doesn't tool craft on the side and have had exactly zero issue with them.

You'll never know the difference between those 2 BCG's.

But all things being equal, I really prefer a nitrided or PVD coated bolt simply for the ease of cleaning the bolt stem if you shoot it much. Given a choice, mag phos is last on my preference list.

You can get a "BLEM" complete nitrided BCG from RCA for $130. And don't worry about the 9310 bolt...........RCA knows what they are doing & they make BCG's for OEM's, most notably, Noveske.

He says subject to availability or backorder, but they usually go out within a day or 2.

MM

^^^^^^^^^+

Thanks for that. That's an insane deal considering general availability and what some quality bcgs are going for on GunBroker, for example.

Rufus, I picked one up as a spare on MM's recommendation and it's very nicely done. The coating is impeccable. I don't know where the "blem" is, but it's not noticeable to me. He's obviously very picky about his work.

Great. RCA for another look. (ORDERED) I have 3 of the Toolcrafts, just like have another option of comparable quality. I have RCA 7.62x39 bolt and a carrier on backorder thru a vendor.


Ar15part.com has their Carpenter 158 bolt assembly on sale for $50... Shows 24 available. Fughme $18 for UPS!


Thanks guys.


For SaGs I will put this here.
Wanting to use a carbine buffer and not wanting to spend SBA3 money, I got this KAK Blade 2M... They're toolfree length adjustable but otherwise like the other Blades, simple and economical. Like.




And stupid Optics Planet finally came through with this.

I have that exact same barrel.
I'm very happy with it.

See, I listen..... LOL

Did I see previously that the Carpenter 158, Premium Bolt Assembly from Ar15part.com is AOK? (Purely securing for backup spare part purposes. Or might throw one in the PSA Pistol.)

I've never done any business with them, but I'd take a chance on it, maybe replace the extractor spring. BCM springs or the Sprinco's are both very good & known performers.

For sure check the headspace with several barrels & also check firing pin protrusion with the FP's that you might use.

I have several spare bolts, the most recent one from Faxon for $52, but 9310, not C-158.

MM

Looked on RCAs website for the blem 556 BCGs but couldn’t find it so I sent them an email. Is it on the web somewhere that I missed?

There it is.

https://rubbercityarmory.com/product/blem5-56-x-45223-standard-mass-m16-bcg-complete/

We'll see what I get... BTW their site says both Carpenter 158 and 9310... Was a misprint from their BCG listing, per email, the bolt is Carpenter 158.

I am all set for five builds, 'cept one handguard, length tbd! Damn OCD.



https://www.ar15part.com/5-56-223-Bolt-Assembly-p/556b.htm

I will have a couple extra to part with to spit the shipping.

If you're not too worried about being very light weight, take a look at WOA's handguard's..........they are fairly new, very nicely finished & have a long nut for solid mounting.

I used several of them in the past year & the price is unbeatable at $140, but they only offer 2 lengths & is does require a special (& expensive) wrench.

If you want a pic, let me know & I can take one.

If you end up deciding to use one, I will loan you the wrench.

MM

WOA Handguards

Out of stock

It apparently always says that. But, guys say that they ship within a few days. A coating expert by all reports.