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Does anyone else ponder the narrow range of projectile diameters?

The vast majority of projectiles shooters use fall between .22 and .30 - a range of just 8 hundredths of an inch. Sure people use .17s and 50 cal but I bet over 95% of rifles fall between 22 & 30.

I am sure this range was determined based on trial and error over the evolution of rifles I just find it kind of fascinating that there is such a small range that works. Looking at competition shooters most are using between .243 & .264 a range of 2 hundredths of an inch. It is pretty wild how well we have narrowed down what is best.
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Bergara early M40A3-ish in 22lr

This is a teaser for a new project that I'm working on. Bergara 14X rimfire action in an early Mcmillan A4 "Big Hook" Stock.

Bottom metal is a Hawkins M5 that accepts AICS mags. I know the early M40A3's had DD Ross but I still wanted to use the Magazines that came with the rifle.

Harris 6-9 Bipod with the KMW pod lock and TIS Sling.

BO M40A3 spec rings with an airsoft copy of the MST-100 scope. Looks great but not sure of how it's going to function.

I hate to geek out and spend this kind of money on a 22 but this is a rifle I can shoot in my backyard. I can't say that about any other rifle I own.

1st pic is of my rifle...second 2 are inspiration pics...I love these early M40A3's.

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Firearms 2014 AI AT /AO SOLD* barrels and mags remaining

I have for sale a 2014 quick lock, AI AT that has been installed in an Accuracy Obsession chassis with an AX butt stock conversion, GTAC AR pistol grip conversion, and AI competition trigger.

The action is bedded into the chassis just like it was in the original AT chassis. The AX buttstock conversion also required bedding. I bought the rifle used just for this project and have long since sold off the original chassis. It has a Hoptic check pad(plus two spare replacements), a PLF338 3D printed bag rider along with the original AI bag rider. MPA EVG grip. The competition trigger is set to what I would guess is 1.75lbs and has never had a hiccup. It has been 100% reliable so it's kind of a unicorn. The chassis comes with two internal weights. A 1lb and a 2lb. It has full ARCA and MLOK. The rifle will come with one mag. Your choice of the modified AW that has the +2 MDT extension or an unmolested AW mag. No barrel. No scope. The chassis has some cerakote wear marks and the bolt face has some fire checking from the previous owner pushing 308 and Varget hard. I've had no issues with the bolt or entire rifle for that matter. The bolt is stupid slick. Large Primer firing pin. Everything functions and shoots well. The 6.5CM and 6CM barrels shoot really damn well. $3400

Available to the buyer is a total of 10 AW mags.

9 additional mags $500


Proof AI prefit in 308W. 26", 1600rds $600

Proof 26" full bull 6.5CM by Fritz at Black Canyon Customs. 560rds $800

Proof Comp contour 6GT, 24" by Straightjacket Armory. 1200rds $300

Proof Heavy Palma 6CM, 26" by Straightjacket Armory. 680rds. $300

$1200 for both CF barrels. $1500 for all four.



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300yd groups
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Must ship from FFL to FFL.

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6BR Barrel with .050 more freebore

I started shooting 6BR on an MPA chambered barrel a couple years ago and it shoots Hornady 108s great with .035 jump. I just got an AI AT-XC and put a Mile High Factory WinTac 6BR barrel on it. When I measured the AI barrel, it has .050 more freebore to the lands that the MPA barrel. I haven't seen this with other calibers when getting different barrels, they are all pretty close, but .050 seems like a big difference. I used the standard OAL tool to find the lands on both barrels with the same bullet.

Anyone run into this before - these are both very high quality barrels and smiths? Is there a 6BR variant that is shorter and longer? I am planning to load for the 2 rifles differently and run the AI rounds longer to make up the difference.

Hornady 108 ELDM
MPA - 2.350 OAL to Lands
AI - 2.400 OAL to Lands

SOLD Two NF ATACR 4-16x42 MIL-XT

Two NF ATACR 4-16x42 MIL-XT F1 C615 scopes for sale. Both are in excellent condition with no issues. Very light and minor ring marks. Both are virtually identical in condition.

I have way too many scopes and am thinning the herd.
BOTH SOLD

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SOLD 6.5 Creedmoor Peterson brass

-3 boxes of 6.5 Creedmoor Peterson brass. Only opened to inspect. (***SOLD***)
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M4A1 Block I (***SOLD***)
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MK12 Mod Holland (***SOLD***)
•••••••
-7 PRC Hornady ELD-M factory ammo. 4 boxes. (***SOLD***)
•••••••

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AB Quantum Major Update 3.4

AB Quantum™ Update 3.4 is here!
We’re excited to introduce powerful new features that will elevate your shooting experience:
  • Grouped Sectors: Organize your targets into multiple stages, each containing several Target Cards. Ideal for PRS, NRL Hunter, or any custom course of fire. Now you can manage, build, and share setups with ease—instantly via QR code!
  • Seamless Integration: Share your Target Card with Kestrel and the latest Garmin devices for a smooth, field-ready experience.
  • Column Editor for the Target Card: Customize and arrange columns to match your specific needs for quicker, more efficient setups.
  • Relative Winds: Work seamlessly with Grouped Sectors to provide accurate wind corrections for every shot, ensuring precision on the range or in the field.
  • Wind Reference Tool: Visualize your projectile’s flight path and adjust it based on your environment and equipment for better accuracy and flexibility.
  • Upgraded Target Controller: Streamline your setup with azimuth, inclination, and wind speed all in one intuitive interface.
  • Pro Trial Offer: Ultralight and Elite users can now access a free trial of the Pro license—unlock the full potential of AB Quantum!

Sectors and Grouped Sectors now gives you the ability to create multiple target cards in ungrouped sectors. Or to create shooting facilities, entire matches, and more with Grouped Sectors. For some devices (Kestrel, Garmin Tactix 8, and Garmin Instinct 3 Tactical) you can also transfer a target card to those devices (within the means of that devices maximum number of targets per target card).

Sectors can be shared with other AB Quantum users. This allows a facility director, match director, teammate, co-worker etc to easily share a grouped or ungrouped sector with another user.

Relative Wind now allows you to pick between clock (DOF) and North (Compass) wind modes. This is useful on its own, or when paired to a compatible Calypso AB Mini or Kestrel.

(Pro Users) The Target Card now has customizable Columns. You can rearrange the columns, or turn ones you don't want on/off. The Target Card also now has Direction Of Fire, and Inclination Buttons built into it for easy manipulation of the targets on the fly.

The Target Controller and Environment Controller have been improved based on user and field testing feedback to improve user experience.

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Download AB Quantum for free on Google Play or the Apple Store.
Learn more about AB Quantum at https://appliedballisticsllc.com/ab-quantum/

Rim-x MCR

Yesterday my Rim-X conversion from MCR arrived. I got her put back into its chassis and headed to the range. Johnathan did a great job! The rifle now sports a 25” MW 13 twist. He also spun up a Bartlein CF in 16 twist for it, just incase I get the itch to use it for hunting. Target is the first 50 shots at 50 yards. I think its gonna do just fine.



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SOLD Full Kidd 10/22 in KRG Bravo w/Match Pro glass

Selling a Kidd Classic .22lr in a KRG Bravo chassis with Bushnell Match Pro 6-24x50 scope. I’ve put about 6-700 rounds through it. Shoots .3 with Norma Match @50yds.

-Full Kidd build with single stage trigger, fluted 18” threaded barrel, and rear tang.

-KRG Bravo 10/22 chassis with tool less LOP and cheek riser.

- Area 419 arcalok rail

- Caldwell Harris clone with Area 419 adapter ,Area 419 clamp, and tooless tension adjustment.

-Bushnell Match Pro 6-24x50 with Wheel rings & level.

Will separate the optic.

Price for everything shipped to your FFL CONUS is $1400.

Price without scope is $1100.
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SOLD Built MDT ACC LA Chassis - $1100

Posting separate from the barreled action. List of all weights and parts attached.

The recoil lug area was opened up for bedding by the original owner. I didn't bother to bed the rifle since it shot so well.

SPF shipped with all the parts.

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