.284 Cal / 7mm 165 Gr. TGK

.284 Cal / 7mm 165 Gr. TGK


Optimal jacket wall thickness controls expansion and retains weight
Open pocket under the polymer tip expands lead core instantly on impact
Tuned ogive for industry-leading BC
Boat tail design for stable flight and accuracy

Introducing the Sierra GameChanger hunting bullet: the perfect combination of Sierra’s legendary match accuracy coupled with deadly penetration. Sierra re-engineered their legendary MatchKing bullet into a hollow point design for quick expansion and fitted it with a transparent green tip for ballistic uniformity. Inside, the GameChanger features a unique construction that utlilizes a special lead alloy surrounded by a tough copper jacket that delivers excellent penetration and expansion at a variety of ranges. It’s a GameChanger on any hunt! This is not loaded ammunition.

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Additional information

Weight 2.429 lbs
Diameter (inches)


Weight (grains)

165 Gr.

Sectional Density


Ballistic Coefficients and Velocity Ranges

.610 @ 2600 fps and above .510 between 1320 and 2600 fps .450 @ 1320 fps and below

Box Count

50 Bullets, 100 Bullets, 500 Bullets