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Official MDT 6BR Magazine Thread

Hey Everyone, @MDT_Josh here with @MDT_OFFICIAL to talk about our newly released MDT Metal 6BR 12 round magazines! We've mentioned these magazines in a handful of other threads and answered some questions, but I'd like to group all of them into one here. We're really excited to see the support for them already and are happy to be able to support those of you running the BR variants in repeater actions.

For previous discussions, comments and questions see here and here as well as some others.

I have tried to answer a lot of your questions in the descriptions of the magazines as I will post below, but we will also be doing some videos on the mags soon. Let us know what you guys and gals think, what you want to know and how we can help you out!

- Josh

Magazine Description from Website:

"MDT AICS-pattern metal magazines are manufactured from high strength steel, nitride-finished and coated with Cerakote Elite for ultimate durability and performance.

The 6mm BR magazine is offered for the 6mm BR and family of cartridges, and are available in 12 round capacity.

These magazines are designed with a unique Double Stack to Single Feed (DSSF) transition design for reduced overall height compared to the industry standard.

12-Round Magazines for 6mm:

  • 3.055” Outside Length
  • 2.570” max cartridge overall length (COAL) with binder plate and spacer
  • 4.61” Rear Height
All of our magazines include 2 internal ribs that help reduce friction between the cartridge and magazine body and provide a smooth transition from a double stack to single feed at the top of the magazine.

6MM CALIBER MAG
From testing, we have established that these magazines will work with the following calibers:

  • 6mm BR Norma
  • 6mm BRA
  • 6mm BRX
  • 6 mm Dasher
  • 22 BR
MDT 6BR Metal Mag

Additionally, through testing, we have found that these magazines ARE NOT COMPATIBLE WITH the following actions:

  • Curtis Custom's Axiom and Vector
  • GAP Tempest
  • Ultimatum Deadline
  • and most other commonly available, aftermarket 3-lug actions"

Swedish Mauser m/96-38 Inconsistencies

I just picked up a Swedish m/96-38 and there are some aspects of the rifle that confuse me. I ask these questions having not handled an enormous number of them, but from reading The Swedish Mauser Rifles published by North Cape Publications.

This rifle was imported by Class Distributors in Swann, Vermont. The receiver was manufactured by Carl Gustafs in 1908. All the numbers match except for the magazine floor plate and the bolt stop, neither of which have serial numbers. That should mean that they were made by Husqvarna.

The rear sight is from an m/38, not an m/96-38.

Most oddly, the bolt has only one gas escape port, but according to the book, any rifle made after 1904 should have at least 2.

Does someone want to put this all together? I can't imagine an importer cobbled together a matching bolt from a pre-1905 rifle. None of the numbers look scrubbed. How about the rear sight? Has anyone ever seen a m/38 rear sight on a m/96-38? I can easily see anyone swapping out the magazine floor plate and bolt catch, though it seems odd with everything else matching.

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SOLD HKMR762A1

Less than 200 rounds fired

Geissele trigger ( less than 10 rounds on it)

Ral HK buttstock

Magpul grip

Hand guard from an LRP package

3 Hk 20 round mags

Can, glass, bipod, surefire muzzle device not included

Will ship in a Daniel defense plastic case



No trades

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Most accurate mk12 barrel?

I’m starting down the road of a mk12 build on a centurion receiver set and trying to decide on barrel. 6mo ago I’d have done cle but they’re off the table now so trying to find a replacement option. Out of what’s semi readily available what has the best track record for accuracy? Looking at centurion, pri, hcs, craddock rtr. Originally I had thought woa but doing a bunch of reading it sounds like they’re semi hit or miss ir decent at best. What do yall recommend for best mk12 barrel?

Accessories Sold: Foundation Centurion Vudoo .22 Inlet

Forsale is a hardly used Foundation Centurion (Dark Distressed) with a Vudoo .22 inlet. Will come with ARCA rail as well as a MDT adjustable bottom metal. Bottom metal is really nice because you can fine tune the magazines.

$SOLD shipped in cont. 48
ins. will be extra should you choose to insure it.

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SOLD WTS: Safariland 6354RDS-4592 holster multicam P320

For sale:

Safariland 6354RDS-4592 holster. Fits Sig M17/M18 or P320 with X300 or TLR1 light. Multicam. Excellent condition. Includes QLS fork.

$75 shipped SOLD

I accept discreet PayPal or Venmo (F&F ONLY)

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Accessories Hinged Dope Card Holders

Selling 3D printed dope card holders. In the event of an impact from above, below, the front or the rear, the dual hinge design keeps everything intact and the card holder uncompromised while folding up for easy storage of your rifle. Corrosion-resistant hardware is utilized and printed with a carbon fiber reinforced composite filament that can withstand the elements and is UV/chemical resistant. Dope card and holder included. **No Stylus as preferences vary**

$17/shipped.
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A good man died

John Rusyn recently passed away from a brain tumor. He went quickly with wife and I at his side

John was 67 years old
He was retired CW3 from US Army, US Army National Guard , Retired San Jose PD
John taught at Panama Jungle School in the late 1970’s. He graduated Army Sniper School in 1978
John had full tours in Bosnia, multiple to Afghanistan and Iraq. He loved doing work against evil
John was an exceptional shooter and rifle instructor. I loved teaching alongside John

He will be missed by many many people fortunate enough to call him friend. I called him Brother

Remember that time Boston state police spent a year

Trying to frame a lady for the murder of a dirty cop ?


And they had at least 250 murders , child rapists and fentanyl dealers just walking around conducting business - that the feds under new leadership rounded up in a few days - because they had pictures , knew their names and where they lived operated ? Yeah Pepperidge Farms remembers !

So the hands off oder was followed to man - so that not one pedo or mass murder had to worry about arrest or anyone getting in the way of their fentanyl trade .

These invading killers were not hiding in the woods or in caves , walking around metro areas without a care in the world - you might think you hate them enough but you don’t .

Accessories MPA BA chassis for Accuracy International

Selling my mpa ba chassis that works with AI short actions. Had my AT rifle in here for competitions and worked great. Had to do a little dremel work inside the trigger area of the chassis for a perfect fit. Chassis in great condition it comes with full internal weight and external fore end weights with MPA competition side rails
Chassis has a folding buttstock that locks in closed or open position very snug and also has the adjustable mag latch
Also not pictured are the actions screws and night vision bridge
$750 shipped to your door

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Accessories Vudoo 360 22inch mtu/threaded rifle. foundation revelation stock.

Vudoo 360 22lr, 22 inch mtu barrel threaded
30 moa rail
L3i elite rimfire mag
L3i stinger mag
Trigger tech flat trigger
Aero 17inch solus chassis.

Asking SOLD
No trades

Selling a foundation revelation long action stock. Cut for a Defiance anti/x and Hawkins bottom metal. Like new condition. I used a ruckus with no issues
Short arca rail included

Stock and arca rail only 750 shipped to you.

No trades

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URSA NorCal - match rescheduled to Saturday, March 29, 2025

URSA NorCal - match rescheduled to Saturday, March 29, 2025

Location
– Clear Lake area (same as prior, coordinates 39°14'21.0"N 122°50'50.0"W)

Setup will be done late Saturday or early Sunday morning by our NorCal crew. Target(s) will be in place at minimum 2000 yards. IRIS hit-indicators will be in place and be the sole control for official hits and misses. The initial target distance for NorCal is 2147 yards, all California-legal firearms and ammunition are allowed, no weight restrictions, and no fees.

The Match Director will decide how many shooters need to be signed up to move forward with this event. Unless the event is formally cancelled (as announced on this and other posting sites), assume it is going forward.

IF you want to shoot multiple rifles, you need to complete a registration for each one. If you expect to be shooting with us more than once, I suggest you do yourself a favor and build a text file in your word processor and then just copy and paste. NOTE: IF you seriously think you will score 5 in 10 or better, please DO take the time to enter ALL the info requested in the Build Sheet section - will save me e-mailing you to get missing info and hasten getting results posted on the URSA site (News and Stats pages) and the non-Cal Guns sites. Thanks.

If you want to shoot this event, you MUST sign up ONLINE (see below). Registrations MUST be received no later than 1 PM the day before the event. There will be NO onsite registrations. Registration is required for all shooters, spotters, and anyone that will be on or in the general proximity of the shooting line. NO exceptions!

The URSA Official Course of Fire is at FAQ 13, near the bottom of this page on the URSA website - https://www.unlimitedrange.org/operations.html All shooter should review the course of fire prior to arriving at the venue. Substantial additional data regarding URSA events are included on the same web page.

Sign-Ups: URSA uses the online program, Zoho Forms, to capture shooter Liability Releases and Build Sheet data, and spotter/other Liability Releases – Liability Releases are signed and dated at the event. Please use the appropriate link at the top of the Activity/Event Schedule page (http://www.unlimitedrange.org/activity event schedule.html). If you have any problem with the online form, please e-mail me ASAP (webmaster@unlimitedrange.org). BTW, the form asks for limited “address” info (only city, state, and ZIP), we do NOT need your street address.

SOLD USMC MK12 Mod 1 - price lowered

USMC MK12 Mod 1


$6k

Original high caliber sales built upper. C stamp keyhole reciever, Colt bcg, PRI gasbuster CH, Douglas barrel, ops long collar, brake, surplus 22h non lever stop rings, issued Marine Core leupold TS30A2 scope, KAC 99167 marked rail not the newer 21318 marked commercial rail, kac big knob rear flip sight, kac flip front, kac nsn marked bipod mount, Harris SBRM bipod and podlock,

Lower is H&R M16A1, Geissele SSAE trigger, surplus A1 stock, ergo grip,

Deployment case is issued mk12 case, mk12 foam, OG Otis cleaning kit, Mk12 bore guide, Dewey Cleaning rod, 3 20rd mags, USMC gunbook, mil dot master book, mk12 mod 1 OP Manual. Original Eagle industries TAS sling. Suppressor not included

PayPal, Venmo, certified check

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SOLD ZCO 527 MPCT3X 15mil NLE

Cleaning up the shop and found a few items that have just been sitting around—looking for someone who can put them to good use.

ZCO 5-27 15mil NLE turret with MPCT3X reticle and black scope chap. Come with original box and all the accessories.

Like new $old

We can offer a combo discount for the Area419 or GrayOps scope rings. PM for more details.

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