Category Archives: Load Data

224 Valkyrie Update

Sierra recommends a 6.5” twist barrel for the #9290 22 cal 90 gr HPBT bullet however for cartridges like the Valkyrie, that can push them over 2650 fps muzzle velocity, a 7” twist barrel will stabilize the bullet correctly.  

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Sierra Bullets 224 Valkyrie Load Data

Test Specifications/ Components Firearm Used: Universal Receiver Barrel Length: 24” Twist: 1-8’’ Case: Starline Brass for bullets 52-63 grain and Federal Premium for bullets 69-95 grains Trim-to Length: 1.590’’ Primer: Winchester WSR Remarks: The 224 Valkyrie, developed by Federal Cartridge … Continue reading

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Sierra Bullets 7mm Remington Magnum Load Data

Test Specifications/ Components Firearm Used: Universal Receiver Barrel Length: 24” Twist: 1-9″ Case: Nosler Trim-to Length: 2.490”’ Primer: Winchester WLRM Remarks: The history of U.S. ordnance is full of examples of good cartridges that have passed into obsolescence. The 219 … Continue reading

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Sierra Bullets Load Data For 2018 New MatchKing Bullets

Sierra Bullets is excited to release load data for four of our newest bullets: the 22 caliber 95 gr HPBT MatchKing #1396, 6.5mm 150 gr HPBT MatchKing #1755, 30 caliber 200 gr HPBT MatchKing #2231, and 30 caliber 230 gr … Continue reading

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Sierra Bullets 300 AAC Blackout Load Data

Test Specifications/Components Firearm Used: Universal Receiver Barrel Length: 16″ Twist: 1-8’’ Case: Hornady Trim-to Length: 1.363″ Primer: Winchester WSR Remarks: The 300 AAC Blackout (300 BLK, or 7.62x35mm) was created by Advanced Armament Corp. and Remington in order to provide … Continue reading

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Sierra Bullets 6.5 Grendel Load Data

Test Specifications/ Components Firearm Used: Universal Receiver Barrel Length: 24” Twist: 1-8’’ Case: Hornady Trim-to Length: 1.506’’ Primer: Winchester WSR Remarks: Appearing on the scene in 2002, under the development of Alexander Arms, the 6.5 Grendel was a new AR … Continue reading

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Sierra Bullets 6mm Creedmoor Load Data

Test Specifications/ Components Firearm Used: Universal Receiver Barrel Length: 24” Twist: 1-8’’ Case: Hornady Trim-to Length: 1.910’’ Primer: Winchester WLR Remarks: As with almost all cartridge case designs, there is bound to be at least a few aspiring off-spring. The … Continue reading

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