Project Guns- Gunsmithing articles and posts, 308 Winchester Load Development: 175-grain Sierra Matchking and Varget, Badger Ordnance Embedded Front Rail (EFR), Building a Custom Remington 700 .308 Tactical Rifle, How to cut and crown a rifle barrel and install a brake, Magnetospeed V3 barrel mounted ballistic chronograph, Budget precision rifle: Customizing the Savage Axis. 175 grain SMK and IMR 4064 41.7 grain through 42.2 grain groups at 100 yards (above). So much so, that I ordered a couple 8 pound kegs of it too keep me busy. "catentry_id" : "64161", , "partNumber" : "126453", "Bullet Type_|_HPBT Match":"27" for Shooting, Hunting and the Outdoors, Click here for important information regarding product availability, estimated delivery dates and communications with MidwayUSA. HPBT MATCHKING. Sierra MatchKing® bullets have set the standards worldwide for consistent accuracy in handguns as well as rifles. To ensure precise bullet to bore alignment, a unique bearing surface to ogive junction uses the same 1.5 degree angle commonly found in many match rifle chamber throats. , , Checkout with your new Bass Pro Shops CLUB Card and earn points on your order. "Bullet Type_|_HP Match":"30" "ItemImage467" : "https://basspro.scene7.com/is/image/BassPro/20004097_10200543_is", Grain. Velocity was decent. , "displaySKUContextData" : "false", "Caliber/Gauge_|_7mm":"29" "catentry_id" : "3074457345617222148",

"seo_url" : "https://www.basspro.com/shop/ProductDisplay?urlRequestType=Base&catalogId=3074457345616676768&categoryId=10062&productId=64146&urlLangId=-1&langId=-1&top_category=&parent_category_rn=&storeId=715838534", "displaySKUContextData" : "false", Bullet selection should not be based on B.C. {"notice": "Notice--Ammo Returns.
For safety reasons we do not accept returns on ammunition, black powder, primers, reloading lead and brass or bullets. Please Note!!

2 of 3 . }, Please provide this ID when contacting support via phone, email or chat. "ItemThumbnailImage" : "https://basspro.scene7.com/is/image/BassPro/20017589_10200543_is?$Prod_PLPThumb$" "catentry_id" : "3074457345619135799", Bill Marr In 1995, Sierra worked with military ordnance experts to produce a superior long-range bullet for the M21, M24 and M40A1 sniper systems. The rifle’s chamber was measured with a Hornady OAL gauge and the cartridge overall length was adjusted so the bullet was seated at the lands.

"Grain_|_210":"26" These Hollow Point Boat Tail bullets have a small meplat to produce a higher ballistic coefficient. "buyable" : "true", Muzzle velocity was recorded with a MagnetoSpeed barrel mounted ballistic chronograph. "partNumber" : "2388338", Suggested site content and search history menu. I get a lot of questions about using Russian primers like Wolf and Tula. },

{ The Lapua brass I am using has been fired once in this rifle. If your application was successful, you should receive your CLUB Card in the mail within 7-10 days. }, alone.

All content Copyright 1998-2018 Rifleshooter.com, FTC disclosure: some links on this site are monetized. It has a strong following in high power rifle competition circles and has proven accurate in my past experience with it. Range conditions were overcast, 45F, with half to full value 10-15 mile per hour winds.

"Attributes" : { .505 @ 2800 fps and above .496 between 2800 and 1800 fps .485 @ 1800 fps and below. (888) 223-3006 "seo_url" : "https://www.basspro.com/shop/en/22-77gr-hpbt-mtchkg-9377-20004097", 1400 W Henry St "partNumber" : "126431", "ItemImage" : "https://basspro.scene7.com/is/image/BassPro/126392_10200543_is",

You might be surprised! They are only safe in the rifle shown and may not be safe in yours. "Quantity_|_500":"31" "Diameter_|_0.308":"31" "Attributes" : { The Lapua brass I am using has been fired once in this rifle. Once I find a favorite, I’ll play with cartridge OAL. Forever. 308 Winchester load development with the Sierra 175 grain MatchKing (SMK) and IMR 4064 Powder. Sorry, your blog cannot share posts by email. "Attributes" : {

Sierra MatchKing Rifle Bullets - .22 Caliber - 69 Grain, Sierra MatchKing Rifle Bullets - .22 Caliber - 77 Grain, Sierra MatchKing Rifle Bullets - 7mm Caliber - 183 Grain, Sierra MatchKing Rifle Bullets - 7.62MM Caliber - 210 Grain, Sierra MatchKing Rifle Bullets - .22 Caliber - 52 Grain, Sierra MatchKing Rifle Bullets - .22 Caliber - 53 Grain - Hollow Point, Sierra MatchKing Rifle Bullets - 7mm - 168 Grain, Sierra MatchKing Rifle Bullets - 7.62mm (.308)/.30 - 175 Grain, Sierra MatchKing Rifle Bullets - .30 Caliber - 150 Grain, Sierra MatchKing Rifle Bullets - .30 Caliber - 168 Grain. }, "partNumber" : "20004097", While they are recognized around the world for record-setting accuracy, MatchKing® and Tipped MatchKing® bullets are not recommended for most hunting applications. The Reloader 15 didn’t give the velocities I was expecting, but it was pretty cold. "buyable" : "true", 308 Winchester/ 7.62x51mm NATO Short barrel length and velocity- A six inch 308 bolt gun? You’ve reached us after business hours.

{ I’ll be conducting further testing on load #7 at distance and see how it performs. In the past I have used 3-shot groups, which I have found too small for reliable results, and multiple 5-shot groups, which I have found take too much time and utilize too many components for initial load development.

},

The tapered boat tail design significantly reduces drag, resulting in higher retained velocity, greater striking energy, flatter trajectory, and less wind drift than comparable flat-base bullets. , along with muzzle velocity and input for wind speed and direction allows the user to determine what to expect in a flight path for a given projectile/bullet. "catentry_id" : "64162", "seo_url" : "https://www.basspro.com/shop/ProductDisplay?urlRequestType=Base&catalogId=3074457345616676768&categoryId=10062&productId=64147&urlLangId=-1&langId=-1&top_category=&parent_category_rn=&storeId=715838534",

It appears that my rifle prefers the higher end of Varget loads. "Bullet Type_|_BTHP Match":"28" Pistol qualifications are among the easiest to replicate on your own. Would you like to be alerted when the item becomes available again? The 42.0 grain load shot very well, .421 MOA. We cannot ship hollow point components to New Jersey. "Quantity_|_50":"30" "ItemImage" : "https://basspro.scene7.com/is/image/BassPro/20017589_10200543_is", All content Copyright 1998-2018 Rifleshooter.com, FTC disclosure: some links on this site are monetized. , { { , To see how the rifle was built, see Building a USMC M40A3: Cloning the Marine Corps Sniper Rifle from 1999-2009. "Quantity_|_100":"32" "ItemImage467" : "https://basspro.scene7.com/is/image/BassPro/2388338_10200543_is", Although MatchKing® and Tipped MatchKing® bullets are commonly used for varmint hunting, their design will not provide the same reliable explosive expansion at equivalent velocities in varmints compared to their lightly jacketed Hornet, Blitz or Varminter counterparts.

"buyable" : "true", "ItemImage" : "https://basspro.scene7.com/is/image/BassPro/2388337_10200543_is", WARNING: For reference, read disclaimer above, only safe in test gun. "partNumber" : "2388337", "Attributes" : { "partNumber" : "20017589", The 30 Caliber 175 Grain MatchKing was developed along with military experts for use in the M21, M24 and M40A1 sniper systems. Built on a customized Remington 700 receiver, the rifle has  a 25″ long barrel and used the following parts from Brownells: It was chambered with a Manson Precision Reamer 308 Match reamer on a Grizzly gunsmithing lathe. Varget has been my go to 308 Winchester powder for nearly a decade, but I am always looking to improve. Case sensitive with a minimum of 6 characters & one numeral. "Diameter_|_.224":"29" © 2020 Sierra Bullets In this post, I’ll be developing a load for my M40A3 clone.

"ItemImage" : "https://basspro.scene7.com/is/image/BassPro/126431_10200543_is", "partNumber" : "126392", "Quantity_|_100":"32" "Attributes" : { The target was a 2″ orange dot on white paper. "ItemImage" : "https://basspro.scene7.com/is/image/BassPro/2388339_10200543_is", "partNumber" : "126452",

I just loaded up some to test tomorrow 42-44gr using 2.800 OAL to start as that's what Sierra told me. , "Caliber/Gauge_|_7mm":"24" This bullet was designed for a custom long-range application and is the largest MatchKing® we produce. You may also contact us via email at info@brownells.com. Product Reviews are not compatible with your browser. }, "Bullet Type_|_HPBT Match":"30" "displaySKUContextData" : "false", Quantity. "Attributes" : {

Consult appropriate load manuals prior to developing your own handloads. "Grain_|_175":"29"

, "ItemThumbnailImage" : "https://basspro.scene7.com/is/image/BassPro/126453_10200543_is?$Prod_PLPThumb$" The Timney 510 trigger was adjusted to 2.5 pounds and the Nightforce optic was set at 15 power magnification. "Bullet Type_|_HPBT Matchking":"29" Having a working knowledge of B.C.’s and trajectory programs such as Sierra Infinity can be very beneficial to all shooters. Until a few years ago, the choices of systems were limited. It then generated a large amount of interest by long range competitive shooters due to its high ballistic coefficient and ability to remain supersonic at 1000 yards out of a … "Caliber/Gauge_|_.22 Caliber":"27" SIERRA BULLETS, INC. - SIERRA MATCHKING BULLETS. "catentry_id" : "3074457345617222147", , "Grain_|_168":"30" Not bad considering this was factory brass with no prep work and all powder charges were thrown!

The lower left group includes the cold bore shot.

In 1995, Sierra worked with military ordnance experts to produce a superior long-range bullet for the M21, M24 and M40A1 sniper systems. "ItemThumbnailImage" : "https://basspro.scene7.com/is/image/BassPro/2388337_10200543_is?$Prod_PLPThumb$" Some shooters view them as “cheap”. Shop with your new CLUB Card and start earning CLUB Points today! Customer Q&A are not compatible with your browser. }, Please visit us again. "ItemImage" : "https://basspro.scene7.com/is/image/BassPro/20004097_10200543_is", Consult appropriate load manuals prior to developing your own handloads. 1) Continue and have the firearm(s) listed below automatically removed from your shopping cart: 2) Cancel and the item listed below will not be added to your shopping cart: 1) Continue and have the items listed below automatically removed from your shopping cart: 2) Cancel and the firearm listed below will not be added to your shopping cart: To change your store location, you will have to go back to the firearms store selection page. "ItemThumbnailImage" : "https://basspro.scene7.com/is/image/BassPro/20004097_10200543_is?$Prod_PLPThumb$" Shooters around the world will appreciate the accuracy and extreme long range performance of our new 6mm 110 grain HPBT (#1575). It was only a few days after a historic blizzard passed through my state. "Attributes" : {

}, "Attributes" : { I simply open a box of Lapua brass, seat a primer, drop a powder charge and seat a bullet. },

"Diameter_|_0.284":"32"