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+--- Thread: SOLD OUT MONSTER 6.5 Grendel Bolts (/showthread.php?tid=20874)
SOLD OUT MONSTER 6.5 Grendel Bolts - BluntForceTrauma - 03-22-2020
Gentlemen, Warriors, and Vile Unwashed Masses of the Grendel Horde, we've just received a FRESH shipment of Mk136, or Type 2, 6.5 Grendel bolts with a boltface counterbore depth of 0.136.
Bolt bodies are made of 9310 steel and black nitride treated for all-weather durability.
These fit in standard bolt carriers and take standard firing pins.
Cool MONSTER logo laser-etched on the bolt!
Cost is $55 each plus $4 shipping.
SAVE on shipping when ordered with a MONSTER barrel.
ORDER from SixFiveArms.
SOLD OUT MONSTER 6.5 Grendel Bolts - Toxarch - 03-23-2020
The shop page on your website is not working. Checked on 3 different browsers and my phone.
SOLD OUT MONSTER 6.5 Grendel Bolts - BluntForceTrauma - 03-23-2020
Thanks, Toxarch, you were right. One of the apps made an update and broke things. Try it now.
SOLD OUT MONSTER 6.5 Grendel Bolts - tdbru - 04-16-2020
BFT,
i'd like to get a complete grendel type 2 bolt ... I think. i've been seeing queries periodically about replacements for broken extractors. but broken extractors need tools to get them replaced, and in the field those specific ones i usually don't have with me, but, i think i can easily just swap out a bolt, if i have to. so maybe a complete bolt AND a spare extractor. but a complete bolt begs another question which i'm sure you already know what i'm going to ask... what about headspace?? my impression is that the barrel assemblies and bolts are most often sold as sets because of headspacing. would i need to worry about incorrect headspace by swapping out a bolt assembly? i currently don't have any go/no-go headspace gauges for the 6.5 Grendel. if there's a risk of incorrect headspace, then i suspect a more prudent thing would be to just buy a spare extractor only, and always have a hammer and punch with when in the field?? kind of inconvenient methinks. your guidance would be appeciated.
-tdbru
SOLD OUT MONSTER 6.5 Grendel Bolts - A5BLASTER - 04-16-2020
tdbru Wrote:BFT,
i'd like to get a complete grendel type 2 bolt ... I think. i've been seeing queries periodically about replacements for broken extractors. but broken extractors need tools to get them replaced, and in the field those specific ones i usually don't have with me, but, i think i can easily just swap out a bolt, if i have to. so maybe a complete bolt AND a spare extractor. but a complete bolt begs another question which i'm sure you already know what i'm going to ask... what about headspace?? my impression is that the barrel assemblies and bolts are most often sold as sets because of headspacing. would i need to worry about incorrect headspace by swapping out a bolt assembly? i currently don't have any go/no-go headspace gauges for the 6.5 Grendel. if there's a risk of incorrect headspace, then i suspect a more prudent thing would be to just buy a spare extractor only, and always have a hammer and punch with when in the field?? kind of inconvenient methinks. your guidance would be appeciated.
-tdbru
You don't need a hammer and punch to change an extractor.
You can do it by hand just need something small enough to go in and push the pin out. Press down hard right where the pin is and then push it out with something.
SOLD OUT MONSTER 6.5 Grendel Bolts - BluntForceTrauma - 04-16-2020
Back in the early days of the M16 they used to say a lot of the field stripping stuff could be done with the bullet tip of a cartridge. So, that might work like A5B says but I haven't tried it.
About headspace: I have never seen one of my bolts out of spec on the headspace they have always been dead nuts on so I consider them completely interchangeable. So don't worry about a replacement bolt having incorrect headspace. I'm completely confident if you're replacing a MONSTER with a MONSTER, and mostly confident if you're replacing a different brand with a MONSTER just make sure they're both Type 2 and the barrel is Type 2.
If I was worried about a bolt breaking at a critical time in the field, yes, I would carry a spare bolt as the easiest way to get back up and running quickly. That's cuz if you think you're just gonna carry a spare extractor for an extractor failure, what if the lugs break? My theory is it's best to have a complete bolt as a spare.
SOLD OUT MONSTER 6.5 Grendel Bolts - tdbru - 04-16-2020
Thanks A5Blaster!! i just assumed, since it was a pin, it was in hard. well that is cool. the extractor is, then, field replaceable with just a pin punch, no hammer necessary.
do you carry a spare complete bolt? or just a spare extractor? aside from the queries on the broken extractors, it seems once the gassing is resolved, however that occurs, that the only part that seems to break is the extractor. or else no one mentions if they had some other part break. seems a fairly reliable design.
-tdbru
SOLD OUT MONSTER 6.5 Grendel Bolts - tdbru - 04-16-2020
do barrel extension lugs ever break? extension lugs might not be the correct term, but what the bolt lugs lock up against. seems that if things were so over pressure that bolt lugs shear off, you'd have a high probability of over stressing the extension lugs or maybe breaking them too.
my barrel is a BCA, box said type 2. a BCA complete upper was the only complete upper i could find with a 24 bbl when i was looking for my upper.
BFT, do you sell extractors or only complete bolts?
i suppose before i buy either i should pull my bolt and see if i really can at least remove the extractor without the hammer, just a pin punch. that will have an influence on what i get i'm sure.
thanks,
-tdbru
SOLD OUT MONSTER 6.5 Grendel Bolts - BluntForceTrauma - 04-16-2020
Broken barrel extension lugs (or teeth) are far more rare than broken bolt lugs.
I only sell complete bolts, not individual extractors.
Yes, I would very much test at home the "field" removal of an extractor. I, personally, can't press hard enough with my thumb on the spine of the extractor to relieve the spring pressure enough to push it out. Many bolts these days, mine included, have a black O-ring added to the extractor spring, which increases the spring force making it difficult to use the military method of pressing down with your thumb and using the firing pin to push out the extractor pin.
SOLD OUT MONSTER 6.5 Grendel Bolts - A5BLASTER - 04-16-2020
BluntForceTrauma Wrote:Broken barrel extension lugs (or teeth) are far more rare than broken bolt lugs.
I only sell complete bolts, not individual extractors.
Yes, I would very much test at home the "field" removal of an extractor. I, personally, can't press hard enough with my thumb on the spine of the extractor to relieve the spring pressure enough to push it out. Many bolts these days, mine included, have a black O-ring added to the extractor spring, which increases the spring force making it difficult to use the military method of pressing down with your thumb and using the firing pin to push out the extractor pin.
I took all the o-rings out of my sixfive bolts by hand.
SOLD OUT MONSTER 6.5 Grendel Bolts - A5BLASTER - 04-16-2020
tdbru Wrote:Thanks A5Blaster!! i just assumed, since it was a pin, it was in hard. well that is cool. the extractor is, then, field replaceable with just a pin punch, no hammer necessary.
do you carry a spare complete bolt? or just a spare extractor? aside from the queries on the broken extractors, it seems once the gassing is resolved, however that occurs, that the only part that seems to break is the extractor. or else no one mentions if they had some other part break. seems a fairly reliable design.
-tdbru
Yes all of my grendels have a spare bolt for feild exchange in an emergency. But I do keep spare extractors at home as well.
I have never broken a bolt are extractor. One of my bolts I ran like a raped ape burning out 4 Alexander arms barrels trying to see if all the hype about weak bolts was true.
That bolt is in my 12.5 inch pistol grendel and has close too 2500 rounds on it in that barrel now.
Bottom line buy a good bolt sixfivearms,AA,PF,maxium and lapp the reciver face and keep the rifle tuned so it's not over gassing and don't run your reloads HOT and the grendel bolt and extractor will last a very long time. Even with steel cased ammo.
SOLD OUT MONSTER 6.5 Grendel Bolts - BluntForceTrauma - 06-03-2020
Went to reorder next batch of bolts and manufacturer says they're out of capacity and lead time is extended to 6-8 weeks.
Apparently, there's another run on guns and ammo these days....
My SixFiveArms.com website shows 9 bolts left in stock. When sold out, another long wait....
SOLD OUT MONSTER 6.5 Grendel Bolts - 82HALO - 06-16-2020
What ever happened to the enhanced bolts that were talked about some time ago?
SOLD OUT MONSTER 6.5 Grendel Bolts - BluntForceTrauma - 06-16-2020
Enhanced bolt is my Number One Secret Project. My machinist is waiting for his tooling guy to deliver the cutting tool that makes the specialized cuts between the lugs.
My CAD person has finished the redesigned extractor and now I need to get some physical prototypes produced.
So, this project is creeping forward behind the scenes.
SOLD OUT MONSTER 6.5 Grendel Bolts - A5BLASTER - 06-16-2020
BluntForceTrauma Wrote:Enhanced bolt is my Number One Secret Project. My machinist is waiting for his tooling guy to deliver the cutting tool that makes the specialized cuts between the lugs.
My CAD person has finished the redesigned extractor and now I need to get some physical prototypes produced.
So, this project is creeping forward behind the scenes.
Bro. I mean bro. I'm drolling now. Can I test one pppllleeeeeessssseeeee.
SOLD OUT MONSTER 6.5 Grendel Bolts - BluntForceTrauma - 06-17-2020
SOLD OUT MONSTER 6.5 Grendel Bolts - 82HALO - 06-17-2020
Ahhhh nooooo, I asked about um first!!! Lol
SOLD OUT MONSTER 6.5 Grendel Bolts - bob4432 - 07-26-2020
BluntForceTrauma Wrote:Went to reorder next batch of bolts and manufacturer says they're out of capacity and lead time is extended to 6-8 weeks.
Apparently, there's another run on guns and ammo these days....
My SixFiveArms.com website shows 9 bolts left in stock. When sold out, another long wait....
So 6-8wks before the bolts get started on or 6-8wks before we see bolts? If they get started in 6-8 wks, how long does it take manf to make them and then H&M to nitride them?
FWIW, seems like everything is going slow - HTPC going out and I have never seen so many computer parts out at the same time, m/b out, cpu out, fans out, etc. I had to wait an extra month to finally get everything in so hopefully tomorrow or Monday the new HTPC will be running. At least I have a good backup plan, but wondering for the last month if the machine will fire up has been interesting to say the least. I think this is the first machine I have actually ran into the ground - i5-2500k on a z68 m/b - will be nice to retire it, hopefully it will last these last few days...