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Updated August 2026

BK Rush vs. BK4: What's the Difference?

The core difference is the shaft: REVO's carbon fiber construction has a higher coefficient of restitution than wood, transferring more energy into the cue ball and adding speed on the break. Carbon fiber is also more impact-resistant — it won't ding, dent, or warp the way wood can. Tip-wise, the BK Hybrid tip's added softness balances out REVO's extra power, keeping cue ball control in check.

You can find them here:

Compare the Break Cues

Compare the Break Cues — a side-by-side comparison of 2 options.
specsBK Rush BK4
Shaft MaterialREVO BK-R Carbon Fiber CompositeWood, With Vault Plate Low-Deflection Front End + Thermax Ferrule
TipBK-Hybrid Tip — 7-Layer Leather With Hybrid AdditiveKTRL Black Hard Synthetic Tip
FeelMaximum Power, Higher Coefficient Of RestitutionTraditional Maple Feel, Redesigned For Accuracy And Forgiveness
Butt Construction4-Piece Fused Hard Maple-
Standard Weight18 oz19 oz, adjustable 18.5–20 oz
Weight SystemUni-Loc® Weight Cartridge CompatibleUni-Loc® Weight Cartridge Compatible
PricePremiumValue

BK Rush vs BK4 Questions

The shaft material. The BK Rush uses Predator's REVO BK-R carbon fiber composite break shaft; the BK4 uses a redesigned wood shaft with Vault Plate low-deflection technology and a Thermax Ferrule.

No. The BK Rush uses a hybrid leather tip impregnated with phenolic resin, giving softer cue ball control to offset its carbon fiber shaft's extra power. The BK4 uses Predator's KTRL black hard synthetic tip, engineered for maximum durability and control on its redesigned wood front end.

For maximum break power and carbon fiber durability, the BK Rush is the stronger performer. For a traditional maple feel at a lower price point, the BK4 delivers Predator's redesigned wood break technology.

The BK4 is Predator's current break cue in this line — BK3 is no longer available.