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SOLD MPA BA Comp Chassis - Folding

I have an additional (I posted an additional ad about 2 hrs. ago for a non-folder) used MPA BA Comp Chassis in tungsten (color). This one is a folding chassis but the joint is super tight, no movement whatsoever when you mount/dismount the gun. This chassis has been used for a few years but is in excellent shape. It has the aluminum MPA enhanced bag rider, full front weight kit (see pics), front spigot mount, and mag block insert (for more positive magazine seating). Rem 700 SA Right Hand. $600 firm, I'll be at the Dec 15 K&M match, or buyer pays shipping. Thanks for looking!

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Advanced musings on powder humidity

I've been using humidity packs in my powder for about 2 years. Was at range the other day, shooting 50 BMG reloads, 2865 fps, SD<10, all good just like usual. Used up that batch, opened a new batch of reloads (marked on the label "RH 49%), velocity fell almost 100 fps average, and the SD was ALL over the place. I'm like WTF, tore them apart when I got home, the charges were all correct. Then I noticed the date of reloading: 7/6/2023. Here's one POSSIBILITY of what happened.

There were 4 humidity packs in the 8# jug of RL50 I used last summer and am still using. If I put them in the new jug when I started the reloading session, out in my garage with 100 degree temperatures, the 49% humidity packs would start releasing moisture to get to the 49% RH. Moreover, if it had not sat/mixed long enough, the powder may have uneven humidity, with granules close to the packs having more moisture until full mixing occurred. Who knows what the distribution of humidity was if it was inadequately mixed by the time it got into the Superspiller hopper.

I had not paid enough attention to what happens to absolute water content when temperature changes at a constant relative humidity. The water content goes up something like 5x or more if you go from 50 degrees to 100 degrees at a constant RH. See: https://brownell.co.uk/datasheets/basics_humidity.pdf

I'm not SURE this was the source of my problem, but I realized the humidity packs could be a HUGE mistake if you have temperature changes in your powder (I store mine in the basement and reload in the garage which varies markedly in temperature throughout the year).

If I want the water content of the powder to remain constant, I have to keep the temperature constant when those packs are in place. In my basement it's almost always 60-70 degrees year round. Humidity packs in the powder are fine down there, but if I take the powder to the garage in summer, the packs are going to immediately (and unevenly) start releasing moisture since the hotter air in the container can contain more moisture at a constant RH. Conversely, if I go out in the garage and it's below freezing, the RH in the container will go up, and the packs will start removing moisture from the powder. So I should always remove the packs prior to reloading, and replace for storage, is what I'm thinking. At least if the ambient reloading temperature is significantly different from where the powder has been stored.

The other thing is I'm going to start recording both the temperature I reloaded at and the RH of the powder (measured by Kestrel drop) at the time of reloading.

Finally, the amount of water in an 8# jug is pretty minuscule, so even large relative changes in water content do not cause big absolute changes. However, all the "experimental" evidence guys have posted seems to suggest it does make a difference.

Interested in any thoughts especially from engineering/physics/chemistry types.

Here is a link that allows you to calculate water content based on temperature and RH: https://www.lenntech.com/calculators/humidity/relative-humidity.htm
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New Scope Dilemma

I’m currently running a SWFA 10x42, but I’d like to replace it with a variable. My number one priority is durability/reliability. I’d replace it with a SWFA variable, but I don’t know what the deal is with them, they’re selling everything off and saying new things are coming, but without any updates or timeline, I’m moving on.

I’d LOVE to get a Nightforce, but I’m a dad with a family and saving up for one will take some time. I could say fuck it and buy one now, but that would mean no ammo budget and no shooting for a bit…that’s not an option, I’ve been really enjoying improving my skills with a rifle and view this hobby as therapy.

I just purchased a Arken EP5 5-25 based on the feature set and Japanese glass, but now I’m second guessing that decision based on some mixed reviews. It hasn’t shown up yet and I have 30 days to return it if it shows up and doesn’t seem like a good value with solid build quality. I’m normally not a Chinese scope guy, I owned multiple Leupold VX3 HD’s with the CDS turrets, but they just didn’t track well and drop tests even on the higher end models caused me to completely loose faith in those scopes. That led me to SWFA, although the glass is no where near the quality of my Leupold, I trust the scope in the field.

I’m really hoping the EP5 build quality is legit, but I’m open to additional suggestions.

Use: Hunting/Field matches/Local PRS (not looking to compete to be competitive, just improve skills)

Rifle:
Bergara B14 Wilderness 6.5 Creedmoor
Magpul Pro 700 Lite chassis

Wants:
Durable/reliable
FFP
Mil reticle/turrets
4-16 minimum, 5-25 maximum

Budget: $600’ish

Thanks in advance for any suggestions or feedback on the Arken quality for my use! I will ultimately save up/use next years bonus for a better scope, but I want to keep shooting, so simply saving up and not purchasing a place holder is not an option. Also…the SWFA 10x42 has already been donated to my daughters 22lr, so sticking with that is not an option either.
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SOLD WTT NX8 2.5-20 MIL-C

Hello,

I would like to trade my NX8 2.5-20 F1 MIL-C w/Steiner rings for LRHS2 4.5-18 or LRHS/LRTSi 3-12x44 +$$
Comes with covers and box
Will sell for $1,500 w/rings or $1,450 without, shipped, insured and signature required. Discrete Ppfaf

Pictures shortly

Thanks for looking

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SOLD MDT XRS Howa 1500

Selling my MDT xrs howa 1500 chassis. Comes with all the original accessories but comes with the enclosed forend, forend weight, rear buttspacer weight, gray ops cnc weights and a wiebad cheek pad. Has a two round holder on the side. For some reason the hide wont let me upload the pictures of it but you can shoot me a text at (406) 595-2643 if you've got any questions. Ive got plenty of feedback. Asking $700

Cleaning High Performance Rifle Barrels - Video

First post on the hide in many years⚡

I've been asked about, and explained my cleaning method more times than I can count so I finally made this video about it.

The video isn't necessary to explain the cleaning method, it's just 2 cycles of 30 strokes with a tight fitting patch of gray/blue JB bore paste on a jag. The real reason for the video is explaining WHY I've converged on this cleaning method, after years of experience doing life-cycle tests on barrels and competing in Palma, FTR and ELR.

In addition to cleaning the barrel, abrasives also smooth it. This smoothing is a major hedge against bullet failures so if that's happening to you, or you're concerned about it, maintaining your barrels with abrasive cleaning can mitigate the failure issue.

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Take care,
-Bryan

SOLD ELCAN Specter DR 1-4x 5.56 FDE

Brand New ELCAN SpecterDR Dual Role 1-4x in 5.56 FDE Optical Sight - Flat Dark Earth. Comes w/ FDE killflash, original box and paperwork. 100% function on both reticle options. Full illumination, glass is flawless. I can text you high def photos if interested. Asking $2,100 shipped via Zelle, Postal MO, Venmo friends and family or PayPal friends and family accepted for payment.​

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SOLD NEW Wilson Combat SFX9 3.25" - Make Offer

FACTORY NEW Wilson Combat SFX9 3.25" Barrel Aluminum X-Frame DLC w/ 15rd & 10rd Mags
$3,005 SHIPPED FFL to FFL - MAKE OFFER

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  • High-Capacity Sub-Compact Size Aluminum X-Frame with Reliability Enhanced Frame Rails
  • Unique X-TAC Frontstrap/Mainspring Housing Treatment
  • Concealment Bullet Proof® Hammer
  • Concealment Bullet Proof® Thumb Safety
  • 3 ½# - 4 ½# Crisp Trigger Pull with Lightweight Medium Length Pad
  • Concealment Bullet Proof® Magazine Release
  • All EDC X9S sub-compact handguns come standard with one 10-round magazine and one 15-round magazine with machined aluminum hard-use grip frame extension.
  • Concealment Bullet Proof® Slide Stop
  • 3.25” Stainless Steel Tri-Top Slide with External Extractor - DLC Finish
  • Unique X-TAC Rear Cocking Serration Treatment on Slide
  • Heavy Machine Chamfer on Bottom of Slide
  • Concealment Battlesight with Fiber Optic Front Sight with 4-40 Hex Head Cap Screw
  • 3” Stainless Cone Barrel with Reliability Enhancing Lock-up, Flush Cut Reverse Crown
  • Fluted Chamber
  • Fluted Barrel
  • 30 LPI Slide Top Serrations
  • 40 LPI Serrated Rear of Slide
  • Carry Cuts
  • NOT CA COMPLIANT

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Accessories Random things

All prices include shipping in the CONUS. Venmo is preferred and all items are crossposted multiple places


KAC mlok barrier stop 60

KAC bipod mount SOLD

Geissele SD-E SOLD

PMM SCAR black rail elimination panels 100

Hodge Slok 11.5 cerakoted a coyote brownish color and a Hodge BCG 285

MDT elite grip black 80

CAG Eotech XPS3-0 with Unity riser SOLD

TBAC CB brake 5/8x24 SOLD

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SOLD 8.6BLK Barrels

Faxon 12" 1:3 twist bolt action barrel with M18-1.5 threaded barrel with about 35 rounds down range $50 SOLD


Mos-Tek 8" 1:3 twist AR barrel with M18-1.5 threaded barrel with less then 100 rounds down range $75 SOLD

I have been changing lengths on my rifles and no longer use these. Thank you.

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Optics Sig 1-6 Tango 6T Mil Overrun

S&B 5-25x56 PM II Tremor 3 CCW DT MTC LT Illuminated #677-946-552-B2-A8B05 in Pantone. No visible imperfections and tracks correctly. 99% condition because I'm sure someone could find something wrong.

4k shipped to you. SOLD

Sig Tango 6T 1-6 FFP 30mm DWLR-556 reticle. Military overrun scope. Brand new. I won it in a raffle. Only opened box to photograph.

1.8k shipped to you. 1600 Shipped to you.

Zelle or snail mail money order. Both ship USPS Priority mail unless you want me to use something else.

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Accessories Barrels - Impact 737 TL3 AXSR MC Take Off 700s 308, 6 Dasher, 6 Creed, 300 Norma

Some barrels that I've had laying around for awhile.

Working more than shooting.

All prices shipped.

Top to bottom -

Rem 700 take off Sporter contour 308 Win 24" unknown round count - $100

Rem 700 take off Heavy fluted contour 308 Win 25.5" threaded 5/8-24 appears unfired - $250

Bighorn / Zermatt TL3 6 Creedmoor barrel from Mile High, 23.5" threaded 5/8-24 1:8 twist, cerakote some kind of earth color, still holds 1 moa or better, but north of 1500 rounds on it. - $120

Impact 737R Proof Carbon 6 Dasher 1:8 twist 26" threaded 5/8-24 chambered by Bring The Edge w/ zombie green cerakote accents unfired https://bringtheedge.com/ - $800

Impact 737R Bartlein 6 Dasher 26" 1:7.5 Twist threaded 5/8-24 mounted, but never fired, chambered by Bring The Edge. - $500

AXSR/MC 28" 300 Norma barrel in Sage green? Threaded 5/8-24, 1:9 twist. 89 rounds fired. Great shooting barrel, 81.8 Retumbo & 250 ATIPS is sub half and sub 10 SD. Mile High Shooting chambered & cut rifled. - $650

Impact 737R 6 Dasher Altus Prefit, cut rifled, black cerakote, 28" 1:7.5 twist 5/8-24, unfired. - $600

Money order, Bank wire, or CC + 3%.

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SOLD Sighton SIII Long Range 8-32x56 MOA-2 Reticle

SOLD​

SIII LONG RANGE 8-32X56​

1/4 MOA Turrets / MOA-2 Hash Mark Reticle / Exposed Tactical Turrets

Comes with neoprene scope cover and Vortex / Seekins medium 30MM rings

Scope shows faint signs of use, glass is pristine, turrets are great. Covered by Sightron's lifetime warranty. Awesome Japanese glass for the money.

$700 shipped to your door, no trades. Post here and PM if you want it.

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SOLD Vortex Strike Eagle 3-18 MIL

Practically brand new. Put on my kid’s 22 and shot about 50 rounds. He wants a different reticle, so it’s up for sale. Excellent condition and includes box, sunshade, throw lever, bikini covers, etc. Some minor wear around the turret cap from zeroing, but that’s it.

$465 shipped CONUS. DM with any questions or if you’d like to chat via text or phone. It’s packed up and ready to ship, so I can get it to you quickly!

FFP, 3-18x44mm with EBR-7C MIL reticle, 34mm tube, locking elevation, capped windage. A great DMR scope!

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SOLD New - Leupold Mark 5HD 3-18x 44mm Illuminated TMR (FFP) (173301)

Factory sealed Leupold Mark 5HD with the Illuminated TMR reticle. New in box Mark 5 HD with the 3.6 -18x44 w/ Illuminated TMR reticle for $1,850 $1,800 shipped, so substantially below MSPR. Leupold Model Number: 173301


Mark 5HD 3.6-18x44 M5C3 Illum. FFP TMR Riflescope | Leupold

SOLD Nightforce 4-16 Mil-Xt ATACR

Cleaning out the optics collection, have a few that are unused and or still factory sealed, in addition to below ATACR I have a Leupold Mk5 HD 3.6-18 is listed separatley.

Nightforce ATACR: 4-16x42 F1 w/ Mil-XT Reticle (“C615”) – Scope is essentially factory new, in box. Briefly mounted in a Spuhr but not torqued. Includes Tenebraex covers, Multi-Tool, Power Throw Lever, Windage Beauty Ring. $2250 Shipped

Payment methods are Check, MO or some e-Payment. Lots of feedback is available on various platforms, please message for more pictures.

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thoughts on 338 ARC. Worth a nice action/barrel?

I've been enamored with shooting subsonic suppressed lately. I've also been enjoying shooting with my 12 year old son and it's great if neither one of us is making a bunch of noise. I know it's early but what are your thoughts about the cartridge, do you think it's worth spending time and money getting a nice action/barrel, or would there not be enough benefit and is the cartridge more suited to a less expensive mass produced rifle?

I know the cartridge was designed for ar-15s, but I'm more interested in a bolt gun. I have a 6 arc bolt and having tons of fun with it.

SAC - to mandrel or not?

Are people running the mandrel from SAC in their dies? If so what is the best way to determine size?

I currently only run custom Whidden bushing dies and no mandrel (I own mandrels for new brass) without any issues but since the SAC is one step I'm more open to the idea of running a mandrel but want to know what others are doing with their SAC dies in terms of mandrel vs no mandrel.

This is about SAC mandrels only. I'm running it in 7 PRC


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