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4/27/2024 12:28:25 AM EDT
[#1]
My RRA NM .22 upper with barrel reprofiled to government profile used for rimfire service rifle matches

IMG_0173 by John Hermesmeyer, on Flickr

IMG_0170 by John Hermesmeyer, on Flickr
7/30/2024 10:37:26 AM EDT
[Last Edit: echofivekilo][Edited] [#2]
Two of the stamps, all of the fun.  CMMG 4.5bbl, bore buddy quiet bolt, bore buddy stock adapter and sig folding stock.  
Attached File
7/30/2024 1:54:46 PM EDT
[#3]
Got the new Beyer installed.  Hope to get out to see what it can do in the not too distant future

8/1/2024 10:57:18 PM EDT
[#4]
Attached File
8/2/2024 5:51:28 AM EDT
[#5]
Here is one I built.   I always liked the looks of the Colt 633 DoE but always thought the straight blowback of the 9mm in full auto sucked.  In 22LR is it great.



8/5/2024 7:09:57 PM EDT
[#6]
Other than the brace, this little thing is pretty handy.

Attached File
https://instagram.com/_odiegreen_?igshid=OGQ5ZDc2ODk2ZA==
8/5/2024 7:45:59 PM EDT
[#7]
Attached File

BRN-22 with charger stock
8/12/2024 10:29:31 PM EDT
[#8]
I just decided last week to build one of these. This is all I’ve got so far The handguard will be here Wednesday and the bolt on Friday. I can’t decide if I should use it on one of my stamped lowers, stamp another just for this or go with a folding brace.
Attached File
Norcal callsign: Stun Gun

It's only an addiction if you're trying to quit
8/20/2024 8:56:07 PM EDT
[#9]
MY DEDICATED CMMG AR15 IN 22LR WITH MAGPUL FURNITURE AND A VOORTEX STRIKEFIRE II AND A SAMSON RAIL. THIS RIFLE HAS MORE ROUNDS THROUGH IT THAN EVERY OTHER AR I OWN COMBINED


CMMG AR22 by Wandell Asbell, on Flickr
8/20/2024 10:26:12 PM EDT
[#10]
Quote History
Originally Posted By optimator:
I just decided last week to build one of these. This is all I’ve got so far The handguard will be here Wednesday and the bolt on Friday. I can’t decide if I should use it on one of my stamped lowers, stamp another just for this or go with a folding brace.
https://www.ar15.com/media/mediaFiles/280530/IMG_5649_jpeg-3293133.JPG
View Quote

Well it’s together. M4E1 upper, Matrix Foxtrot handguard, PSA bolt, BoreBuddy barrel & Redi-Mag adapter. Hoping to get it out tomorrow. This is on one of my stamped lowers.
Attached File
Norcal callsign: Stun Gun

It's only an addiction if you're trying to quit
8/21/2024 1:03:50 PM EDT
[#11]
Updated my old Spike's .22lr upper for NV use.

Attached File

"At the heart of it, mastery is practice. Mastery is staying on the path."
- George Leonard
8/26/2024 12:42:51 PM EDT
[#12]
My clone of a Colt Prototype
Attached File

Attached File

9/4/2024 12:34:09 AM EDT
[#13]
Attached File

My ar22s, a 7.5 & 12.5
11/19/2024 11:29:04 AM EDT
[#14]
Just finished it up last night. 95 rounds so far. One hiccup while trying spacer material between the strike industries adapter and bcg. It’s a PSA bolt, bore buddy 7” bbl. Chopped alg rail, MBT, SiCo Sparrow. Mostly parts from the parts bin. It’s freaking awesome and fun as hell. I blame @tct1000 for this build, as yours was what pushed me over the edge to build an AR22.

Attached File
11/19/2024 3:16:04 PM EDT
[#15]
Quote History
Originally Posted By bkpkr:
Just finished it up last night. 95 rounds so far. One hiccup while trying spacer material between the strike industries adapter and bcg. It’s a PSA bolt, bore buddy 7” bbl. Chopped alg rail, MBT, SiCo Sparrow. Mostly parts from the parts bin. It’s freaking awesome and fun as hell. I blame @tct1000 for this build, as yours was what pushed me over the edge to build an AR22.

https://www.ar15.com/media/mediaFiles/125849/IMG_7557_jpeg-3383442.JPG
View Quote


shorty 22.  chopped rail.  foldy stock.  mismatched parts and colors.  that's how it's done.  10/10.  wood shoot
11/23/2024 2:39:04 PM EDT
[#16]
Quote History
Originally Posted By echofivekilo:
Two of the stamps, all of the fun.  CMMG 4.5bbl, bore buddy quiet bolt, bore buddy stock adapter and sig folding stock.  
https://www.ar15.com/media/mediaFiles/143302/73639447875__ADBABDF8-CD0B-49AC-8D17-257-3280804.JPG
View Quote


What rail do you have on there? Thanks!
11/23/2024 3:53:36 PM EDT
[#17]
An update. I was using the sig minimalist stock originally but my kid was shooting with it and i couldn't shorten the LOP.

So i picked up a sig collapsible stock.

Such a fun gun!

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12/24/2024 6:48:12 PM EDT
[#18]




Plenty of these parts were modified after purchase.  There's a thread in this forum where I documented my development.

Parts:
Remington 870 12ga youth stock, LPA sights (fiberoptic front), Foxtrot Mike Productions lower w/Hiperfire trigger, AT3 Tactical billet upper (modified), U.S. Mint George Washington spacer, CMMG bolt + barrel, BoreBuddy collar, buffer & weights, buffer pad, Railwoods checkered walnut panels, FMP handguard (modified) and fore charging handle assembly (modified), Breek Arms Warhammer charging handle (modified).  Griffin Armament taper mount EZ-Brake.  Swivel studs for traditional hunting sling.
12/30/2024 2:03:06 PM EDT
[Last Edit: spearfish249][Edited] [#19]
CMMG 4 inch upper, SBR lower, DA Mask HD.
12/31/2024 4:47:45 PM EDT
[#20]
Built a .300bo commando I liked so much I decided to rebuild my .22lr pistol the same way. Still need to chop the barrel back.

Attached File
1/1/2025 9:16:46 PM EDT
[#21]
They are fun when they are quick and quiet!
1/12/2025 6:43:37 PM EDT
[#22]
Attached File
1/18/2025 4:42:24 PM EDT
[#23]
Quote History
Originally Posted By okboom:
They are fun when they are quick and quiet!
https://i.imgur.com/djgBIJa.jpg
View Quote


Very nice looking shooters!

Do you find that the colt branded .22 conversion kits are in any way superior to the CMMG kits? Or about the same?
2/16/2025 11:56:02 AM EDT
[#24]
Attached File
2/16/2025 12:13:15 PM EDT
[#25]
Quote History
That's rad.

Where did you get the cheek rest?

Is that the VIR2 EFL focus lens? How do you like it?

Your build shares a lot of design choices with mine.

Attached File


I did change the stock out, however. My 6 yr old was learning to shoot with it and the fixed LOP was too long, so now it collapses AND folds.

Attached File


And here it was in it's original configuration when it was set up as a pistol with a quad rail (demonstrated by my wife)

Attached File

2/16/2025 3:53:04 PM EDT
[#26]
Quote History
Originally Posted By Daggertt:
That's rad.

Where did you get the cheek rest?

Is that the VIR2 EFL focus lens? How do you like it?

Your build shares a lot of design choices with mine.

https://www.ar15.com/media/mediaFiles/435611/348364151_912984470142134_45913853383628-3465766.JPG

I did change the stock out, however. My 6 yr old was learning to shoot with it and the fixed LOP was too long, so now it collapses AND folds.

https://www.ar15.com/media/mediaFiles/435611/60924550-8352-4407-a841-940e1af6079e_jpe-3465767.JPG

And here it was in it's original configuration when it was set up as a pistol with a quad rail (demonstrated by my wife)

https://www.ar15.com/media/mediaFiles/435611/400538362_10168431562655623_204026358818-3465768.JPG
View Quote


yup, it's a winning design for a cool/small 22 build for sure.  the cheek rest is the stock SIG cheek pad off their site and the EFL probably doubles the narrow/throw on the VIR IR.  awesome for handy 22 build, but I'll probably upgrade to the full power stuff that's starting to come out this year.
2/16/2025 4:26:04 PM EDT
[#27]
Quote History
Originally Posted By tct1000:


yup, it's a winning design for a cool/small 22 build for sure.  the cheek rest is the stock SIG cheek pad off their site and the EFL probably doubles the narrow/throw on the VIR IR.  awesome for handy 22 build, but I'll probably upgrade to the full power stuff that's starting to come out this year.
View Quote
Yeah the Iris, etc are better overall units, but a 4.5" .22lr is probably not outreaching the VIR2 anyway.

I like the VIR2 for short 300blk, but I'd throw one on my little 22lr.

I used to have a unimax IR laser + inforce IR on it, and even played around with mounting a PVS14 directly on the gun. The VIR2 is a much more elegant solution and not that pricey.

Attached File


2/24/2025 2:17:57 PM EDT
[#28]
New RRA NM upper for my A2-22 clone

IMG_0668 by John Hermesmeyer, on Flickr

One lower 3 guns

IMG_0670 by John Hermesmeyer, on Flickr
2/24/2025 8:40:13 PM EDT
[#29]
Originally Posted By bkpkr:
Just finished it up last night. 95 rounds so far. One hiccup while trying spacer material between the strike industries adapter and bcg. It’s a PSA bolt, bore buddy 7” bbl. Chopped alg rail, MBT, SiCo Sparrow. Mostly parts from the parts bin. It’s freaking awesome and fun as hell. I blame @tct1000 for this build, as yours was what pushed me over the edge to build an AR22.

https://www.ar15.com/media/mediaFiles/125849/IMG_7557_jpeg-3383442.JPG
View Quote


Originally Posted By Daggertt:
Yeah the Iris, etc are better overall units, but a 4.5" .22lr is probably not outreaching the VIR2 anyway.

I like the VIR2 for short 300blk, but I'd throw one on my little 22lr.

I used to have a unimax IR laser + inforce IR on it, and even played around with mounting a PVS14 directly on the gun. The VIR2 is a much more elegant solution and not that pricey.

https://www.ar15.com/media/mediaFiles/435611/385522103_10168446934180623_504873631378-3465977.JPG

View Quote



What pic adapters are  you guys using?
2/25/2025 10:37:35 AM EDT
[#30]


Tippmann Arms M4-22 Micro Elite. Replaced the forearm in order to tuck the suppressor (3lug mount)
On going to war over religion: "You're basically killing each other to see who's got the better imaginary friend." - Richard Jeni
2/26/2025 7:34:52 PM EDT
[#31]
Quote History
Originally Posted By YaBoyKGTho:





What pic adapters are  you guys using?
View Quote



can't recall my exact brand.  Might have been the KNS buffer to picatiny rail adapter.  I've since switched to the strike industries version with the QD socket option close the receiver (where I like it).  both work as advertised
2/27/2025 11:25:03 AM EDT
[#32]
Quote History
Originally Posted By tct1000:



can't recall my exact brand.  Might have been the KNS buffer to picatiny rail adapter.  I've since switched to the strike industries version with the QD socket option close the receiver (where I like it).  both work as advertised
View Quote


Thanks!
2/28/2025 8:17:28 PM EDT
[Last Edit: ninja99][Edited] [#33]


Franken 22 pistol. BCA side charging upper, FM handguard, Wolfpack Armory AK mag lower, SB triangle brace, CMMG picatinny stock adapter, CZ scorpion irons. All because. ..why not! Mags are modified AK trainer .22 mags.
3/2/2025 4:30:40 PM EDT
[Last Edit: Sailormilan2][Edited] [#34]
I have pretty much finished my 22lr AR build. I just can’t decide if I should go with the free float handguard, or the M4 style set up.

https://imgur.com/a/NJGien8
6# 8oz(with bipod)

https://imgur.com/a/sQkfHC8
5# 11oz
3/2/2025 5:37:07 PM EDT
[Last Edit: YaBoyKGTho][Edited] [#35]
Quote History
Originally Posted By Sailormilan2:
I have pretty much finished my 22lr AR build. I just can’t decide if I should go with the free float handguard, or the M4 style set up.

https://imgur.com/a/NJGien8
6# 8oz(with bipod)

https://imgur.com/a/sQkfHCK
5# 11oz
View Quote


you gotta use the [img ]url[/img ] for pics to show. No spaces like I put in.
3/4/2025 9:13:09 AM EDT
[#36]
Something I threw together with parts on hand. USAF 22lr conversion kit. (runs on gas blowback) It functioned 100% using CCI target velocity.  
Attached File
You light em we fight em, you crash we dash.
Shemya AFB 81-82 RC-135
3/4/2025 12:16:21 PM EDT
[Last Edit: SecondAmend][Edited] [#37]
Quote History
Originally Posted By Firedog8:
Something I threw together with parts on hand. USAF 22lr conversion kit. (runs on gas blowback) It functioned 100% using CCI target velocity.  
...
View Quote


The bolded text in the quote above is a commonly held mistaken belief.  Please see the text of any of the three related U.S. patents: Nos. 4069607; 4069608; and 4617749; wherein the inventor, Julius V. Jurek states unequivocally, "In embodiments of the invention the new adapter bolt operates by conventional "blow-back" action only. The small amount of gas from the low power round coming back down tube 50 has expanded, due to the volume of the tube, to the extent that its pressure is insignificant."

ETA: The inventor was a MSgt. at Langley, AFB, Virginia.
3/5/2025 1:34:39 PM EDT
[#38]
Quote History
Originally Posted By SecondAmend:


The bolded text in the quote above is a commonly held mistaken belief.  Please see the text of any of the three related U.S. patents: Nos. 4069607; 4069608; and 4617749; wherein the inventor, Julius V. Jurek states unequivocally, "In embodiments of the invention the new adapter bolt operates by conventional "blow-back" action only. The small amount of gas from the low power round coming back down tube 50 has expanded, due to the volume of the tube, to the extent that its pressure is insignificant."

ETA: The inventor was a MSgt. at Langley, AFB, Virginia.
View Quote

I will have to disagree with that. Mine will only fire the first round that is chambered and after that will not eject or feed without a gas tube properly installed..
You light em we fight em, you crash we dash.
Shemya AFB 81-82 RC-135
3/5/2025 6:42:55 PM EDT
[Last Edit: SecondAmend][Edited] [#39]
Quote History
Originally Posted By Firedog8:

I will have to disagree with that. Mine will only fire the first round that is chambered and after that will not eject or feed without a gas tube properly installed..
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By Firedog8:
Originally Posted By SecondAmend:


The bolded text in the quote above is a commonly held mistaken belief.  Please see the text of any of the three related U.S. patents: Nos. 4069607; 4069608; and 4617749; wherein the inventor, Julius V. Jurek states unequivocally, "In embodiments of the invention the new adapter bolt operates by conventional "blow-back" action only. The small amount of gas from the low power round coming back down tube 50 has expanded, due to the volume of the tube, to the extent that its pressure is insignificant."

ETA: The inventor was a MSgt. at Langley, AFB, Virginia.

I will have to disagree with that. Mine will only fire the first round that is chambered and after that will not eject or feed without a gas tube properly installed..

Sorry, but, I've gotta believe the inventor; and so I speculate that there's something amiss with your setup that's causing the issue - an alignment or friction problem somewhere?
ETA: Furthermore, it's very well known that shooting .22LR will very quickly clog/plug up the port in the barrel of an AR 5.56x45 firearm when a chamber adapter is used.  If one were to try to use a "gas operated" .22LR action, the action would begin to fail after a relatively few rounds as the gas path becomes blocked.

MHO, YMMV, etc.
3/5/2025 6:50:27 PM EDT
[#40]
Quote History
Originally Posted By YaBoyKGTho:





What pic adapters are  you guys using?
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By YaBoyKGTho:
Originally Posted By bkpkr:
Just finished it up last night. 95 rounds so far. One hiccup while trying spacer material between the strike industries adapter and bcg. It’s a PSA bolt, bore buddy 7” bbl. Chopped alg rail, MBT, SiCo Sparrow. Mostly parts from the parts bin. It’s freaking awesome and fun as hell. I blame @tct1000 for this build, as yours was what pushed me over the edge to build an AR22.

https://www.ar15.com/media/mediaFiles/125849/IMG_7557_jpeg-3383442.JPG


Originally Posted By Daggertt:
Yeah the Iris, etc are better overall units, but a 4.5" .22lr is probably not outreaching the VIR2 anyway.

I like the VIR2 for short 300blk, but I'd throw one on my little 22lr.

I used to have a unimax IR laser + inforce IR on it, and even played around with mounting a PVS14 directly on the gun. The VIR2 is a much more elegant solution and not that pricey.

https://www.ar15.com/media/mediaFiles/435611/385522103_10168446934180623_504873631378-3465977.JPG




What pic adapters are  you guys using?


@YaBoyKGTho I’m using the strike industries.

It was the cheapest, and came in tanodize. Also easy ratcheting install. Has a qd cup that you can put on either side.
3/5/2025 9:00:26 PM EDT
[#41]
Quote History
Originally Posted By bkpkr:


@YaBoyKGTho I’m using the strike industries.

It was the cheapest, and came in tanodize. Also easy ratcheting install. Has a qd cup that you can put on either side.
View Quote


Sorry, I couldn't bring myself to get a Strike product. I got the KNS precision one.
3/12/2025 4:44:51 PM EDT
[Last Edit: Neomonk21][Edited] [#42]
Attached File


Borebuddy Tucked Upper 7" barrel w/ 7" rail
Borebuddy BCG, aluminum weight, bolt catch, and picatinny stock adapter
PSA lower I had laying around
Sig MCX folding stock
Driven Arms Co Beavertail Vertical Crossover Grip (VCG-L)
PSA Enhanced Polished Trigger leftover from another build
KAW Valley Precision MACH 3 Modular compensator as a placeholder when not shooting suppressed

I was able to shoot it yesterday to get it sighted in.  I had a few issues while I was tuning the weight and adjusting the stock adapter.  After I figured things out it was working great.
"GD is a pretty decent personification of Eeyore" - Agilt
3/19/2025 1:26:36 PM EDT
[#43]
Quote History
Originally Posted By -OdieGreen-:
Other than the brace, this little thing is pretty handy.

https://www.ar15.com/media/mediaFiles/61399/IMG_3636_jpeg-3286728.JPG
View Quote



How reliable has the HK been for ya? Picky with an ammo brands?

Some of the reviews on PSA's site mention a terrible trigger and jamming issues.

Armorer: Glock, Colt M16/AR15, SIG, & Remington
3/23/2025 1:49:53 PM EDT
[#44]
Thanks for the pic adapter recommendations. Stamp came in less than two business days.

Attached File
4/19/2025 8:08:47 PM EDT
[#45]
5/29/2025 5:54:32 PM EDT
[#46]
I know suppressors are a controversial issue for US shooters whereas here in the UK they are readily available. Whilst I have them I rarely use them on my AR15 in .22LR because I shoot mini-rifle and can do without the extra length. Today though, just shooting for fun I put one on, and shooting CCI Standard with only the noise of the action cycling was a lot of fun. I was alone on the range so didn't even need ear protection



For the curious
CMMG (Bettermag adapter, so S&W magazines-30 rounds with Magload bases) with CMC drop in trigger, Calibre Innovations handguard, Fab Defense stock and grips, A-Tec modular sound moderator.
Vortex 1-8 Strike Eagle in an Aero Precision mount with an offset Burris Firedot.
My fun gun.
6/4/2025 12:01:17 PM EDT
[#47]


My barricade .22LR autoloader build, only taken this one to 400y so far.
7/5/2025 10:59:14 PM EDT
[#48]
Moved my Streamlight TLR-VIR II to my .22lr upper. Now I want to shoot steel at night.

Attached File
"At the heart of it, mastery is practice. Mastery is staying on the path."
- George Leonard
7/13/2025 8:17:01 PM EDT
[#49]
My humble contribution.

Almost 90% of parts with exception of the lower were acquired from the EE.

Bore Buddy match grade barrel, Bore Buddy bolt and weight kit, BCM rail, Right to Bare .22 upper.

I am happy to report that this thing is very accurate and insanely fun. Shooting indoors at 25yrds is boring now. It like high velocity stuff, but will shoot CCI standard velocity ammo fine.

Thank you to all the members for your used parts!

7/14/2025 6:53:40 AM EDT
[#50]
Attached File

Attached File

Clone of a Colt prototype

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