.223 | 45gr | Sierra VarmintKing

About this bullet

.223 | 45gr | Sierra VarmintKing is a bullet made by Sierra. At 45 gr (2.9 g) and a diameter of 0.223'' (5.66 mm) it suits handloads where bullet weight and barrel length have to be matched carefully. Its G1 ballistic coefficient of 0.132 drives velocity retention and wind drift downrange — higher values mean a flatter trajectory at distance. We currently list 303 load recipes across 34 calibers for this bullet.

Most popular calibers for this bullet

Load data for .223 | 45gr | Sierra VarmintKing bullet is available in the following calibers:

• .218 Bee
• .219 Donaldson Wasp
• .219 Zipper
• .22 Ackley Hornet
• .22 ARC
• .22 ARC (bolt action)
• .22 BR Rem.
• .22 Creedmoor
• .22 Hornet
• .22 Nosler
• .22 PPC USA
• .22 Rem. Jet Mag.
• .22-250 Ackley Improved
• .22-250 Rem.
• .220 Howell
• .220 Swift
• .221 Rem. Fireball
• .222 Rem.
• .222 Rem. Mag.
• .223 Ackley Improved
• .223 Rem.
• .223 WSSM
• .224 Valkyrie
• .224 Weath. Mag.
• .225 Win.
• 22 x 47 Lapua
• 5.45 x 39 mm
• 5.56 x 45 NATO
• 5.6 x 35 R Vierling
• 5.6 x 50 Mag.
• 5.6 x 50 R Mag.
• 5.6 x 57
• 5.6 x 57 R
• 5.6 x 70 R

Safety notes

All load data is reference data only. Always start at the minimum charge and work up in small steps while watching for pressure signs. Never exceed the maximum charge published by the powder or bullet manufacturer.