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Bighorn Origin Build Thread

Post your Bighorn Origin builds here.

Mine is another masterpiece by Jon Beanland.

Bighorn Origin
#3 Bartlein 5R chambered in 6.5 Creedmoor finished at 24”
McMillan Adjustable Game Scout in Desert Carbon Ambush
Triggertech Diamond
APA Bottom Metal
Bighorn 20 MOA rail
SWFA rings
Bushnell 3-12 LRTSi
Flush cups on left side.

Load development was easy. Wind was unusually calm so I decided to do it at 500. Not picky at all. Biggest group of the day was the 130gr Berger AR Hybrids at .632 MOA. Best was 42gr H4350 behind the Berger 140gr Elite Hunter. That went .498 MOA. Five 5-shot groups with 5 different loads averaged .555 MOA at 500 yards. Taking this one for Caribou in a couple of weeks.

John

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I picked the best charge from my 500 yard load development and put 5 rounds on paper at 100 today to make sure I had a good zero. Wind was gusting hard and bench was really wobbly or it would have been better. Made a .1 adjustment and reset the zero indicator. Battery ran out on my chronograph so I made a guess on velocity and took it to 820 to use the velocity truing function on Ballistic AE. Group was 4.5” low at 820 so I put that in Ballistic AE and it determined true velocity was 2790. Fired one more group at 820 using 2790 velocity and it was centered on aiming point. I think we’re ready for Caribou.

John

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Light weight/Long range hunting build - which direction would you go?

Alright everyone, curious your thoughts. I recently built my first lightweight 'semi custom' rifle to use in the mountains up here in AK - bought a new Tikka T3x in 300 WM, pulled off the barrel and replaced it with a proof pre fit in 7MM PRC, dropped it in an AG Composite Alpine Hunter stock, had a gunsmith bed it, upgraded the bottom metal, etc. Looks good and all, but unfortunately doesn't shoot quite as well as I'd hoped (could be a dud of a barrel or what not for sure). The Tikka bolt has also had galling issues on the cocking ramp, which is going to add to the gunsmithing cost to fix as well.

What I've learned is that it doesn't take long for a 'budget' build to start creeping up toward the cost of a true custom set up that shoots great out of the gate lol. Especially when the 'budget' build requires a bunch of gunsmithing costs, potentially a second barrel, more load dev. to fight through, to reach its potential (if at all).

So, I'm curious what everyone else has had success with in their builds? Premium actions with pre-fit barrels, premium actions with premium barrel blank and chambered by a GS, maybe something in between like the barreled actions starting to be offered by companies like Bergara? Full custom rifles setups already built for sale? Which direction would y'all go? For context, a light weight rifle to pack in the mountains that reliably shoots sub MOA is what I would be stoked on. My current build has been struggling to achieve that consistently unfortunately. Thanks for weighing in!

SOLD XLR Envy Pro PRS Kit

Brand New and still in wrapper. Ended up not needed it with the fat barrel Vudoo. Link below to everything included.

$375 shipped




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Murphy Precision scope mount for Anschutz 54.18MS question

Trying to verify if the Murphy Precision picatinny rail adapter will work on an early 1980's Anschutz 54.18MS. This is the original silhouette rifle, NOT a repeater, and has a drilled/tapped receiver currently wearing Weaver #91 bases on top of the 11 degree dovetail.

I would much rather go with a screwed-down scope base, over a dovetail clamp style 1913 rail, so the primary question is will the screw holes line up on the early 54 action with the new style rail?

Alternately, if anyone is aware of 30mm or 34mm rings that have 20 to 40 MOA built in AND fit Weaver bases, please sound off. I want to update the glass on my old school rifle and it's throwing me some challenges. Thanks!

Just got a Seekins HIT PRO

Just bought a Seekins HIT PRO. Got a 6.5 Creedmoor along w/ 223 & 308 barrels.

This is going to be my first 6.5 and I like shooting my 223 & 308 so figured might as well get the barrels. Not too happy that the 223 is only a 18" barrel, but still should be good as a trainer out to 600 yards or so.

Really excited about getting the rifle & can't wait for it to arrive. Will put a Vortex Razor Gen II 4.5-27x56 EBR 7C MRAD on it.

Reloading Equipment 21st Century Power Neck Turning Lathe - $450

Includes:

Cutters: 20, 25, 30
Case Holders: 2,5, L
Drivers: 2, 5
Expander Die Bodies: 904, 904-EL

These components were used to turn:

.300 Win Mag
.308 Win
.338 Lapua Magnum
6.5 Creedmoor

They may turn other calibers as well, the legend for components needed for each caliber is located on the 21st Century website. There are also downloadable instructions. Everything works as it is supposed to. I will cover shipping in CONUS. PPFF or Zelle for payment.

Thank you for looking!

INCLUDED:
Caliber
Cutter
Case Holder
Driver
Expander Die Body
.300 Win Mag
25​
5​
5​
904-EL​
.308 Win
20​
2​
2​
904​
.338 LM
20​
L​
5​
904-EL​
6.5 CM
30​
2​
2​
904​

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Optics SOLD - Tangent Theta TT525P Gen3XR with AIF turret

Up for sale:

Like new Tangent Theta 525P GEN3XR with AIF turret. It comes with box and paper.

Price: $SOLD

shipped & insured to lower 48, Paypal F&F, locally available in Greater Los Angeles/Orange County

PM me if you have any questions. Thanks!

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SOLD 2x Razor 6-36, 1x Tangent TT525 Gen3XR

WTS 2x Razors
  1. First one in box, with front cap, barely any use with a smudge on it from being in the safe: $2200 shipped and insured signature required SOLD
  2. Second one mounted on a comp gun, has a bit of scope tape residue, comes with aadland caps, 2150 shipped and insured signature required
Tangent Theta
TT 525 with some slight marks on the battery cap. Scope in great shape, back from Tangent a few months ago. Include standard turrets and AIF turrets, box, and front/back covers - $3750 shipped and insured


Images of scopes here: Login to view embedded media

Firearms 6.5 CM PRS Build - Foundation, Proof, Impact 737, Leupold Mk5

Hello folks,

Selling my PRS build 6.5 Creedmoor rifle. Foundation stock, Proof barrel, Impact 737R action, Leupold MK5 Optic (Mils).

$5,500 - Only local (San Francisco Bay Area / NorCal region) buyers at the moment.

789 round count. I don't plan on adding any more. Used primarily at local matches (shoutout to NCPPRC and WCLR) - just haven't used it as much as my rimfire build so here we are.

Build sheet is in the photos.

Not parting out. No trades.

Thanks!

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Rifle Scopes March PRS edition 5-42

I am by no means a high level shooter. I’ve been in the game right at a year and still have a lot to learn and a lot more impacts to get.

Just like any PRS shooter I’m always looking to move on and upgrade gear.

I started with a MK5 and quickly moved to NF and shot with that majority of my first year with that I always took the opportunity to look at other high end scopes when I got a chance to see what I liked. I was never overly impressed with what a saw from some of the high end offerings especially with the price tag involved.

Ironically I bought a March PRS edition WBR reticle on blind faith after some trusted friends who all shoot “ultra premium” optics looked through one at a match I was unable to attend and all gave it the green light saying it was pretty solid at a quick glance.

I have had my hands on one for a couple weeks now and have run it at 2 matches so far with more coming. I have to say I’ve really been thoroughly impressed at the capabilities of the scope. The image is in my opinion one of if not the best out there! The glass cuts mirage phenomenally well.

The wide angle glass make it easy to run higher power than normal (20+ compared to 15) and still have good target acquisition. I compared it to another newer wide angle scope and in my opinion there wasn’t much comparison to be had.

The turrets don’t suffer from having too tight of clicks from being 15 mil or spongy tactile feedback. Being writeable from the factory is also a very nice quality of life bonus!

The reticle I absolutely love as well. I ran MIL C with the NF and enjoyed that one. The WBR reticle seems to be an improvement in every way you could hope for being very thin but still readable and useable in situations where time is short. Leaving a lot of glass real estate for spotting and watching impacts. The half mil marks are a very nice addition as well as the 1 mil hold under

All in all I feel that this is an excellent scope this is definitely a top level contender in the competition world just from what I have been able to observe. It excels in areas other scopes struggle for sure and for a good price. I definitely wouldn’t knock one until I’ve tried it. I know more and more of these are showing up in the wild go see what you’re missing out on and check one out!

SOLD SOLD

For sale a new nightforce Atacr 4-16x42 F1 mil-r c552. Never mounted or shot. This is a catch and release. Bought it for a hunting rifle that sold so don’t have use for this. See pics for condition and included items. Cross listing on other forums.

Asking $2150 shipped insured obo

No trades

PPFF, venmo Zelle or check with clearance

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our boys in IRAQ

Looks like we got sold a bill of goods with the .223 caliber fire arms. The marines have got it right using the old fashioned heavy duty weapons of WW 11 and VIET NAM.

This email from a Marine who's in Iraq . No politics here; just a Marine with a bird's eye view opinion:

US Weapons:
1) The M-16 rifle:
Thumbs down. Chronic jamming problems with the talcum powder like sand over there. The sand is everywhere. Jordan says you feel filthy 2 minutes after coming out of the shower. The M-4 carbine version is more popular because it's lighter and shorter, but it has jamming problems also. They lack the ability to mount the various optical gun sights and weapons lights on the picatinny rails, but the weapon itself is not great in a desert environment. They all hate the 5.56mm (.223) round. Poor penetration on the cinder block structure common over there and even torso hits can't be reliably counted on to put the enemy down.
Fun fact: Random autopsies on dead insurgents show a high level of opiate use.

2) The M 243 SAW (squad assault weapon):
.223 cal. Drum fed light machine gun. Big thumbs down. Universally considered a piece of shit. Chronic jamming problems, most of which require partial disassembly (that's fun in the middle of a firefight).

3) The M 9 Beretta 9 mm:
Mixed bag. Good gun, performs well in desert environment; but they all hate the 9 mm cartridge. The use of handguns for self-defense is actually fairly common. Same old story on the 9 mm: Bad guys hit multiple times and still in the fight.

4) Mossberg 12ga. Military shotgun:
Works well, used frequently for clearing houses to good effect.

5) The M 240 Machine Gun:
7.62 NATO (.308) cal. belt fed machine gun, developed to replace the old M-60 (what a beautiful weapon that was!!) Thumbs up. Accurate, reliable, and the 7.62 round puts 'em down.

Originally developed as a vehicle mounted weapon, more and more are being dismounted and taken into the field by infantry. The 7..62 round chews up the structure over there.

6) The M 2 50 cal heavy machine gun:
Thumbs way, way up. "Ma Deuce" is still worth her considerable weight in gold. The ultimate fight stopper - puts their dicks in the dirt very time. The most coveted weapon in-theater.

7) The .45 pistol:
Thumbs up. Still the best pistol around out there. Everybody authorized to carry a sidearm is trying to get their hands on one. With few exceptions, can reliably be expected to put 'em down with a torso hit. The special ops guys (who are doing most of the pistol work) use the HK military model
and supposedly love it. The old government model .45's are being re-issued en masse.

8) The M-14:
Thumbs up. They are being re-issued in bulk, mostly in a modified version to special ops guys. Modifications include lightweight Kevlar stocks and low power red dot or ACOG sights. Very reliable in the sandy environment, and they love the 7.62 round.

9) The Barrett .50 cal sniper rifle:
Thumbs way up. Spectacular range and accuracy and hits like a freight train. Used frequently to take out vehicle suicide bombers (we actually stop a lot of them) and barricaded enemy. It is definitely here to stay.

10) The M 24 sniper rifle:
Thumbs up. Mostly in .308 but some in 300 win mag. Heavily modified Remington 700's. Great performance. Snipers have been used heavily to great effect. Rumor has it a marine sniper on his third tour in Anbar province has actually exceeded Carlos Hathcock's record for confirmed kills with OVER 100.

11) The new body armor:
Thumbs up. Relatively light at approx. 6 lbs.and can reliably be expected to soak up small shrapnel and even will stop an AK-47 round. The bad news: Hot as shit to wear, almost unbearable in the summer heat (which averages over 120 degrees). Also, the enemy now goes for head shots whenever possible. All the bullshit about the "old" body armor making our guys vulnerable to the IED's was a non-starter. The IED explosions are enormous and body armor doesn't make any difference at all in most cases.

12) Night Vision and Infrared Equipment:
Thumbs way up. Spectacular performance. Our guys see in the dark and own the night, period. Very little enemy action after evening prayers. More and more enemy being whacked at night during movement by our hunter-killer teams. We've all seen the videos.

13) Lights:
Thumbs up. Most of the weapon mounted and personal lights are Surefire's, and the troops love 'em. Invaluable for night urban operations. Jordan carried a $34 Surefire G 2 on a neck lanyard and loved it. I cant help but notice that most of the good fighting weapons and ordnance are 50 or more years old!! With all our technology, it's the WWII and Vietnam era weapons that everybody wants!! The infantry fighting is frequent, up close and brutal. No quarter is given or shown.

Bad guy weapons:
1) Mostly AK47's. The entire country is an arsenal. Works better in the desert than the M 16 and the .308 Russian round kills reliably. PKM belt fed light machine guns are also common and effective. Luckily, the enemy mostly shoots like shit. Undisciplined "spray and pray" type fire. However, they are seeing more and more precision weapons, especially sniper rifles. ( Iran, again)

2) The RPG:
Probably the infantry weapon most feared by our guys. Simple, reliable and as common as dog shit. The enemy responded to our up-armored Humvees by aiming at the windshields, often at point blank range. Still killing a lot of our guys.

3) The IED:
The biggest killer of all. Can be anything from old Soviet anti-armor mines to jury rigged artillery shells. A lot found in Jordan 's area were in abandoned cars. The enemy would take 2 or 3 155 mm artillery shells and wire them together. Most were detonated by cell phone and the explosions are enormous. You're not safe in any vehicle, even an M 1 tank. Driving is by far the most dangerous thing our guys do over there. Lately, they are much more sophisticated "shape charges" (Iranian) specifically designed to penetrate armor. Fact: Most of the ready made IED's are supplied by Iran, who is also providing terrorists (Hezbollah types) to train the insurgents in their use and tactics. That's why the attacks have been so deadly lately. Their concealment methods are ingenious, the latest being shape charges, in Styrofoam containers spray painted to look like the cinder blocks that litter all Iraqi roads. We find about 40% before they detonate, and the bomb disposal guys are unsung heroes of this war.

4) Mortars and rockets:
Very prevalent. The soviet era 122 mm rockets (with an 18 km range) are becoming more prevalent. One of Jordan 's NCO's lost a leg to one. These weapons cause a lot of damage "inside the wire". Jordan 's base was hit almost daily his entire time there by mortar and rocket fire, often at night to disrupt sleep patterns and cause fatigue (It did). More of a psychological weapon than anything else. The enemy mortar teams would jump out of vehicles, fire a few rounds, and then haul ass in a matter of seconds.

Fun fact:
Captured enemy have apparently marveled at the marksmanship of our guys and how hard they fight. They are apparently told in Jihad school that the Americans rely solely on technology, and can be easily beaten in close quarters combat for their lack of toughness. Let's just say they know better now.

Bad guy technology:
Simple yet effective. Most communication is by cell and satellite phones and also by email on laptops. They use handheld GPS units for navigation and "Google Earth" for overhead views of our positions. Their weapons are good, if not fancy, and prevalent. Their explosives and bomb technology is TOP OF THE LINE. Night vision is rare. They are very careless with their equipment and the captured GPS units and laptops are treasure troves of Intel when captured.
Who are the bad guys? Most of the carnage is caused by the Zarqawi Al Qaeda group. They operate mostly in Anbar province (Fallujah and Ramadi). These are mostly "foreigners", non-Iraqi Sunni Arab Jihadists from all over the Muslim world (and Europe ). Most enter Iraq through Syria (with, of course, the knowledge and complicity of the Syrian govt.), and then travel down the "rat line" which is the trail of towns along the Euphrates River that we've been hitting hard for the last few months.

Some are virtually untrained young Jihadists that often end up as suicide bombers or in various "sacrifice squads". Most, however, are hard core terrorists from all the usual suspects (Al Qaeda, Hezbollah, Hamas etc.). These are the guys running around murdering civilians an masse and cutting heads off.
The Chechens (many of whom are Caucasian) are supposedly the most ruthless and the best fighters. They have been fighting the Russians for years. In the Baghdad area and south, most of the insurgents are Iranian inspired (and led) Iraqi Shiites. The Iranian Shiia have been very adept at infiltrating the Iraqi local govt.'s, the police forces and the Army. They have had a massive spy and agitator network there since the Iran-Iraq war in the early 80's. Most of the Saddam loyalists were killed, captured, or gave up long ago.
Bad Guy Tactics: When they are engaged on an infantry level they get their asses kicked every time! Brave, but stupid. Suicidal Banzai-type charges were very common earlier in the war and still occur. They will literally sacrifice 8-10 man teams in suicide squads by sending them screaming and firing AK's and RPG's directly at our bases just to probe the defenses. They get mowed down like grass every time (see the M 2 and M 240 above). Jordan 's base was hit like this often.
When engaged, they have a tendency to flee to the same building, probably for what they think will be a glorious last stand. Instead, we call in air and that's the end of that more often than not. These hole-ups are referred to as Alpha Whiskey Romeo's (Allah's Waiting Room). We have the laser guided ground-air thing down to a science. The fast mover's, mostly Marine F-18's, are taking an ever increasing toll on the enemy. When caught out in the open, the helicopter gun ships and AC-130 Spectre Gunships cut them to ribbons with cannon and rocket fire, especially at night. Interestingly, artillery is hardly used at all.

Fun facts:
The enemy death toll is supposedly between 45-50 thousand. That is why we're seeing less and less infantry attacks and more IED, suicide bomber shit. The new strategy is just simple: attrition.

The insurgent tactic most frustrating is their use of civilian non-combatants as cover. They know we do all we can to avoid civilian casualties and therefore schools, hospitals and especially Mosques are locations where they meet, stage for attacks, cache weapons, and ammo and flee to when engaged. They have absolutely no regard whatsoever for inflicting civilian casualties. They will terrorize locals and murder without hesitation anyone believed to be sympathetic to the Americans or the new Iraqi govt. Kidnapping of family members, especially children, is common to influence people they are trying to influence but can't reach, such as local govt. officials, clerics, tribal leaders, etc..
The first thing our guys are told is "don't get captured". They know that if captured they will be tortured and beheaded on the internet. Zarqawi openly offers bounties for anyone who brings him a live American serviceman. This motivates the criminal element who otherwise don't give a shit about the war. A lot of the beheading victims were actually kidnapped by common criminals and sold to Zarqawi.

As such, for our guys, every fight is to the death. Surrender is not an option. The Iraqi's are a mixed bag.. Some fight well; others aren't worth a damn. Most do okay with American support. Finding leaders is hard, but they are getting better.

It is widely viewed that Zarqawi's use of suicide bombers, en masse, against the civilian population was a serious tactical mistake. Many Iraqi's were galvanized and the caliber of recruits in the Army and the police forces went right up, along with their motivation. It also led to an exponential increase in good intel because the Iraqi's are sick of the insurgent attacks against civilians. The Kurds are solidly pro-American and fearless fighters.

Morale:
According to Jordan , morale among our guys is very high.They not only believe that they are winning, but that they are winning decisively. They are stunned and dismayed by what they see in the American press, whom they almost universally view as against them. The embedded reporters are despised and distrusted. They are inflicting casualties at a rate of 20-1 and then see shit like "Are we losing in Iraq " on TV and the print media.
For the most part, they are satisfied with their equipment, food, and leadership. Bottom line though, and they all say this, is that there are not enough guys there to drive the final stake through the heart of the insurgency, primarily because there aren't enough troops in-theater to shut down the borders with Iran and Syria. The Iranians and the Syrians just can't stand the thought of Iraq being an American ally (with, of course, permanent US bases there).
Anyway, that's it, hope you found it interesting.
Semper fi!

FBI declares Sig 320/ ‘M17/ M18 unfit for duty

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FBI and department of homeland security have declared Sig 320 family of pistols unfit and unsafe for duty . Failed several impact / drop tests, this time around, not the first time when all those bags of cash was floating around.

These tests focused on the striker safety mechanism and found it unserviceable.