.284 | 127gr | TWENTY-NINE ERTP
by TWENTY-NINE
ERTP — Extended Range Terminal Performance, Twenty-Nine's proprietary technology and the core of the Crockett hunting line. A machined pure-copper monolithic with a very soft expanding tip over a hard shank, which lowers the expansion threshold so the bullet still opens reliably at the reduced impact velocities found further out. On impact the tip forms four cutting petals; expansion is clean and splinter-free with little fragmentation. Driving bands and an optimised boattail keep barrel fouling low even at high muzzle velocity, and it suits any rifling profile. Recommended hunting range: long, medium and short.
Specifications
Weight
127 gr (8.23 g)
Diameter
0.284″ (7.21 mm)
Sectional Density
0.225
BC G1
0.389
Type
ERTP
Related Load Recipes
Load recipes using .284 | 127gr | ERTP are available in the following cartridges:
7 mm-08 Rem.
7 x 72 R
7 x 64 Brenneke
7 mm Rem. Ultra Mag.
7 mm WSM
7 mm Rem. Mag.
7 x 57
7 x 57 R
7 mm Exp. Rem.
7 x 75 R SE v. Hofe
7 mm STW
7 mm Weath. Mag.
7.21 Firebird
7 mm Rem. SA Ultra Mag.
.28 Nosler
.280 Rem.
7 x 65 R Brenneke
7 x 50 R
7 mm Blaser Mag.
.280 Ackley Improved
7 mm KM Katzmaier
7 x 66 SE v. Hofe
.284 Win.
7 mm Mag. Fl. H&H
7 x 61 S&H (Super)
7 mm Backcountry
7-6.5 PRCW
.280 Riml. N.E. Ross
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Same-caliber projectiles within ±0.003", ±5gr and matching lead content from other brands.
.284 | 130gr | CutEdge ESP Raptor
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.284 | 127gr | ZERO
Geco · 127gr · BC 0.274
.284 | 127gr | Evolution Green
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.284 | 128gr | TRD
IBEX · 128gr · BC 0.364
.284 | 132gr | CutEdge Maximus
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