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Posted: 6/15/2017 12:25:46 PM EDT
[#1]
The answer will be subjective at best. Alot of vendors do not manufacturer their bolt that they sell.
That being said, Toolcraft /Colt/LMT are tops, imo. The TC black nitride are amazing. |
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Posted: 6/15/2017 12:31:21 PM EDT
[#2]
Add BCM to the list.
As stated above, they don't make/machine their bolts, but whoever does (Toolcraft?) does a good job (re: "Filthy 14"). |
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Posted: 6/15/2017 12:39:47 PM EDT
[#3]
Quote HistoryQuoted:
Add BCM to the list. As stated above, they don't make/machine their bolts, but whoever does (Toolcraft?) does a good job (re: "Filthy 14"). Filthy 14 |
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Posted: 6/15/2017 1:06:06 PM EDT
[#4]
Any true milspec bolt, Colt, FN, BCM, etc..
I prefer Colt due to their proven durability & availability back in the day. |
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Posted: 6/15/2017 1:11:43 PM EDT
[#5]
I buy BCM bolts. BCM parts seem to just keep working. If I had a reliable source for NEW Colt bolts I wouldn't hesitate to use them.
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Posted: 6/15/2017 2:14:15 PM EDT
[#6]
how does one actually find a toolcraft Bolt?
i know there carriers have a cage code on them but any markings on the bolts? |
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Posted: 6/15/2017 2:28:27 PM EDT
[#7]
Quote HistoryQuoted:
how does one actually find a toolcraft Bolt? i know there carriers have a cage code on them but any markings on the bolts? I bought 3 off the EE. ( Bolts only.) PSA premium bolts are damn good also. TC makes the carriers, no idea on the bolts but they are solid. |
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Posted: 6/15/2017 2:31:58 PM EDT
[#8]
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Posted: 6/15/2017 10:36:14 PM EDT
[#9]
Toolcraft
http://www.crypticcoatings.com/coated-bolt-carrier-group/ Even their phosphate is some of the nicest I've come across. or http://www.wcarmory.com/toolcraft-bcg-223-5-56-bolt-carrier-group-sbn-9310-complete.htm or http://www.monmouthreloading.com/shop/ar15-toolcraft-black-nitride-bcg/ |
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Posted: 6/16/2017 3:40:17 AM EDT
[#10]
Quote HistoryQuoted:
I buy BCM bolts. BCM parts seem to just keep working. If I had a reliable source for NEW Colt bolts I wouldn't hesitate to use them. |
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Posted: 6/16/2017 6:41:46 AM EDT
[#11]
Quote HistoryQuoted:
There's an "outfit" on Gun Broker that appears to be parting out Colts and has pretty good prices on new Colt 6920 (not expanse; but they have those as well) bolts. 
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Posted: 6/16/2017 9:34:41 AM EDT
[#12]
Quote HistoryQuoted:
There's an "outfit" on Gun Broker that appears to be parting out Colts and has pretty good prices on new Colt 6920 (not expanse; but they have those as well) bolts. |
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Posted: 6/16/2017 11:40:35 AM EDT
[#13]
LMT Enhanced bolt.
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Posted: 6/16/2017 3:14:33 PM EDT
[#14]
Quote HistoryQuoted:
I know of a vendor for new factory Colt bolts also. They are asking $99/each. 
I think that price is an example of profiteering. |
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Posted: 6/16/2017 3:30:17 PM EDT
[#15]
Quote HistoryQuoted:
They're not 35% better or more valuable than a BCM bolt.
I think that price is an example of profiteering. I paid less for my Colt bcgs on the EE than BCM pricing. Either is gtg , imo. |
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Posted: 6/16/2017 4:55:54 PM EDT
[#16]
Best how? Can we turn this into a "tested vs untested" thread, or will it stay a 'prettiest finish" contest? Or are you really just looking for something cheap? Because all of those can be valid questions with different valid answers.
Sionics HPT/MPI NP3 bolts are nice. |
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Posted: 6/16/2017 5:00:17 PM EDT
[#17]
Quote HistoryQuoted:
LMT Enhanced bolt. Sharps has an interesting design but they had QC issues for awhile. I recently picked one up to try in my BumpSAW. Guess I'll see how it holds up. Harison made some design changes to make his bolts stronger, but he really turned me off with his small print saying CCI primers void the warranty. LWRC made some enhanced bolts that got used by MARSOC for a short bit, but they've quit making them for 5.56. |
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Posted: 6/16/2017 7:27:39 PM EDT
[#18]
Quote HistoryQuoted:
LMT Enhanced bolt. |
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Posted: 6/17/2017 8:52:00 PM EDT
[#19]
FWIW IMHO I use only and have experience with Colt and BCM bolts/carriers for social use. I have used bolts and carriers made by Del-Ton, never had a problem running them very, very hard but given the current prices I tend to go with what I previously mentioned. If it is going into a rifle that is for serious use I go Colt or BCM but that's just me. I have no connection to the above companies I merely use some of their kit. I hope this helps OP.
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Posted: 6/17/2017 10:06:17 PM EDT
[#20]
DD's bolts are tough!
I've never had issues with either their 5.56 or 6.8 bolts. I run the utter hell out of some of their 5.56 bolts. 
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Posted: 6/18/2017 9:25:34 PM EDT
[#21]
LMT Enhanced>>>JP Enhanced>ARP Enhanced>>>everything else.
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Posted: 6/19/2017 12:03:50 PM EDT
[#22]
At the lower cost end, I bought on sale the PSA Premium Full Auto Bolt 39339 - There $89.99 on their site:
PSA 5.56 Premium Full Auto Bolt Carrier Group - No Logo - Shot Peened HPT/MPI Bolt Carpenter 158 (ToolCraft Carrier) - Chrome lined Carrier and Gas Key - Gas Key Hardened to USGI Specifications - Gas Key Grade 8 Hardened Fasteners - Gas Key Staked Per Mil-Spec - Tool Steel Extractor - Extractor Spring - Extractor O-ring Insert |
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Posted: 6/19/2017 7:21:39 PM EDT
[#23]
Quote HistoryQuoted:
+1 on BCM. My next AR will be from them. Love that article. Quote HistoryQuoted:
Quoted:
Add BCM to the list. As stated above, they don't make/machine their bolts, but whoever does (Toolcraft?) does a good job (re: "Filthy 14"). |
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Posted: 6/20/2017 2:00:31 AM EDT
[#24]
http://www.monmouthreloading.com/shop/ar15-toolcraft-black-nitride-bcg/
$79 Toolcraft black nitride BCG |
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Posted: 6/20/2017 6:41:54 AM EDT
[#25]
I second the Toolcraft bolts from monmouth or Wcarmory. I have 2 of the 1B1B6 phosphate bolts from wcarmory and one of the black nitrided bolts from monmouth. great bolts and ROCK solid...
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Posted: 6/21/2017 11:14:39 AM EDT
[#26]
has anyone used the LMT enhanced bolt with the Fostech Echo trigger system? just want to know if there is any issue with the fact the Echo has its own specially clearanced bolt carrier included in the kit.
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Posted: 6/21/2017 11:41:01 AM EDT
[#27]
Quote HistoryQuoted:
has anyone used the LMT enhanced bolt with the Fostech Echo trigger system? just want to know if there is any issue with the fact the Echo has its own specially clearanced bolt carrier included in the kit. In this picture the top carrier is my factory echo carrier, the bottom carrier is an M16 carrier I cut to work with the echo. 
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Posted: 6/21/2017 11:41:35 AM EDT
[#28]
I have become a fan recently of the Leitner Wise...little spendy but worth it IMO
Black Nitride Bolt Leitner Wise 
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Posted: 6/21/2017 1:38:26 PM EDT
[#29]
My favorite are BCM, but for the price, the TC Nitride at $79 or PSA Premium can't really be beat cost to quality. "Best" is really subjective. Aside from when I was in the Army, I've never seen a bolt shot out and that was a simple fix with an ejector spring. OP, all of your answers are in the Henderson Defense High Round Count Thread. Any of the bolts already mentioned, buy with confidence, you will not outshoot it.
Link |
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Posted: 6/21/2017 1:59:07 PM EDT
[#30]
whats the best in stock price people have found on the LMT enhanced bolt?
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Posted: 6/22/2017 1:14:18 AM EDT
[#31]
Quoted:
since we are in the salad days of AR parts I want to get about 6 spare bolts who makes the best bolt available? I was looking at the AIM surplus nitrited 9310 bolt but if there was something better than that i would like to know. ToolCraft NiB BCGs are on sale for 110-100 pretty good price. |
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Posted: 6/22/2017 1:34:50 AM EDT
[#32]
Were I buying 6 bcg to stuff away (I actually did last year or something), I'd get phosphate because they have a much longer track record than any of the new surface treatments.
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Posted: 6/22/2017 1:46:14 AM EDT
[#33]
I'll add a vote for Toolcraft.
The PSA BCGs are also great for the money. I believe BFLV has been using them with decent success through some pretty high round counts. I'm not a big fan of BCM. I do believe their BCGs are made by CMT. So, they should be fine. Microbest is pretty well regarded, but they might be hard to find. At one point, maybe still, they made the BCGs for Smith and Wesson. Really, there are plenty more good than bad out there. Keep a couple of spare springs and gas rings and you'll be set for a long time. |
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Posted: 6/22/2017 9:09:25 AM EDT
[#34]
Quote HistoryQuoted:
Best how? Can we turn this into a "tested vs untested" thread, or will it stay a 'prettiest finish" contest? Or are you really just looking for something cheap? Because all of those can be valid questions with different valid answers. Sionics HPT/MPI NP3 bolts are nice. That's what i want to see on the market, a mil spec bolt with a simple process proven to enhance the working life of the product. |
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Posted: 6/23/2017 2:12:10 AM EDT
[#35]
Starting with the LMT enhanced bolt would be good for your application.
Plenty of great suggestions in this thread, including the BCM and Toolcraft. |
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Posted: 6/26/2017 1:34:21 AM EDT
[#36]
Quote HistoryQuoted:
Any true milspec bolt, Colt, FN, BCM, etc.. I prefer Colt due to their proven durability & availability back in the day. Quote HistoryQuoted:
Any true milspec bolt, Colt, FN, BCM, etc.. I prefer Colt due to their proven durability & availability back in the day. Quoted:
I buy BCM bolts. BCM parts seem to just keep working. If I had a reliable source for NEW Colt bolts I wouldn't hesitate to use them. These days, even Colt is available but that has not always been the case, not even close. Used to be a total bitch trying to find Colt parts. Luckily Brownells stocks their shit now. Ive bought quite a few Colt spare parts based on Battlefield Las Vegas's input. I have several PSA Premium MPIs and BCM complete BCG's but now that Im actually buying individual parts for even more peace of mind I wanted to go with either Colt or JP. Have stocked up on quite a few of each. |
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Posted: 6/27/2017 4:05:38 PM EDT
[#37]
Best bang for the buck: I'd say Toolcraft hands down. Excellent quality for any price, but when you factor in price it's even better. No personal experience with PSA Premium, but from the BFV thread it would seem these would fall in the same category.
Best by tradition and/or reputation: Colt, BCM, DD, LMT Possibly best overall, but also likely overpriced for any objective gains: LMT Enhanced. Perhaps there are other top end BCGs that fit here, but I'm not that familiar with them so they are omitted. Here is the rub... is an LMT Enhanced going to have 3.5-4 times the life of a Toolcraft? No, probably not. Is a Colt, DD or BCM going to have 2 times the life of a TC? Most definitely not (barring anomalies). You can buy 2 Toolcraft Nitride BCGs for about the cost of a Colt, DD or BCM, and 3 to 4 for the cost of an LMT Enhanced. From BFV, personal experience and just common sense, all bolts will break eventually. All available data seems to indicate that of the first two categories, lifespan will be similar (not counting individual BCGs with an extremely long or short life due to unknown factors). Perhaps the LMT Enhanced would extend beyond those others in lifespan, but is it going to be 3-4 times? With the TC lifetime "no questions asked" warranty, two TC BCGs for a single rifle would theoretically last you forever. If one breaks, swap in the spare while you wait for a replacement from TC. That isn't to say "only buy TC." Just something to consider. Obviously if you depend on a weapon for your life regularly and you shoot it a lot, the cost of some improvement might be worth it. If you just want the absolute best without consideration for price, by all means, get what makes you happy (I would fall into that category on occasion). You can't really go wrong with any of the above, just thought looking at it purely from a cost to benefit point of view might be useful. |
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Posted: 6/27/2017 5:35:48 PM EDT
[#38]
Remember that Toolcraft makes and sells different grades of bolts depending on what testing was performed. If HPT matters to you, then understand that not all Toolcraft bolts are HPT/MPI.
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Posted: 6/27/2017 10:01:53 PM EDT
[#39]
Quote HistoryQuoted:
Remember that Toolcraft makes and sells different grades of bolts depending on what testing was performed. If HPT matters to you, then understand that not all Toolcraft bolts are HPT/MPI. |
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Posted: 6/28/2017 12:23:28 AM EDT
[#40]
Which is basically opposite of what I remember reading. Without HPT first, MPI is basically meaningless.
I agree that HPT reduces ultimate bolt life. But it is supposed to reveal catastrophic flaws that may otherwise be concealed until such time that the bolt has a catastrophic failure early in its life. Bolts are a wear item. If we as shooters don't understand that then it will suck to be us on the first target-rich day of the Zombie Apocalypse when all our 20,000+ round bolts and extractors go TU. At least they have s lifetime warranty; that would really mean something if it was 'undead lifetime warranty'! 
But since neither of us is a metallurgist it really doesn't matter. And it further doesn't matter because OP never really defined what best is. |
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Posted: 6/28/2017 12:28:11 AM EDT
[#41]
Quote HistoryQuoted:
Which is basically opposite of what I remember reading. Without HPT first, MPI is basically meaningless. But since neither of us is a metallurgist it really doesn't matter. And it further doesn't matter because OP never really defined what best is. |
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Posted: 6/28/2017 4:25:25 AM EDT
[#42]
Quote HistoryQuoted:
Bolts are a wear item. If we as shooters don't understand that then it will suck to be us on the first target-rich day of the Zombie Apocalypse when all our 20,000+ round bolts and extractors go TU. At least they have s lifetime warranty; that would really mean something if it was 'undead lifetime warranty'!
But since neither of us is a metallurgist it really doesn't matter. And it further doesn't matter because OP never really defined what best is. |
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Posted: 6/28/2017 9:13:49 AM EDT
[#43]
I use BCM and Toolcraft
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Posted: 7/11/2017 3:35:48 PM EDT
[#44]
get what you pay for.
Quote HistoryQuoted:
I know of a vendor for new factory Colt bolts also. They are asking $99/each. |
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Posted: 7/11/2017 7:48:00 PM EDT
[#45]
Quote HistoryQuoted:
get what you pay for. |
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Posted: 7/11/2017 8:19:48 PM EDT
[#46]
Has anyone tried the Sharps Relia-bolt? It claims the design and coating keeps bolt cleaner for more reliable performance.
http://srcarms.com/wordpress/bolt-carrier/relia-bolt/ |
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Posted: 7/12/2017 6:05:20 AM EDT
[#47]
Quote HistoryQuoted:
get what you pay for. BCM Bolt = $80 I'll take the BCM . . . |
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Posted: 7/12/2017 10:36:39 AM EDT
[#48]
Quote HistoryQuoted:
Colt Bolt = $100 BCM Bolt = $80 I'll take the BCM . . . Quote HistoryQuoted:
Quoted:
get what you pay for. BCM Bolt = $80 I'll take the BCM . . . Winning.
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Posted: 7/12/2017 10:42:02 AM EDT
[#49]
Quote HistoryQuoted:
Has anyone tried the Sharps Relia-bolt? It claims the design and coating keeps bolt cleaner for more reliable performance. http://srcarms.com/wordpress/bolt-carrier/relia-bolt/ |
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Posted: 7/13/2017 12:08:06 PM EDT
[#50]
Quote HistoryQuoted:
I bought one for my BumpSAW. I went from a reliable BumpSAW to immediate extraction and ejection issues. Sharps sent me a new extractor and ejector parts but I haven't had time for another range trip. If it fails trip two I'll swap back to my old bolt until it breaks. |
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