Ball NPS Score: Not Available
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Has classic inner core, wrapper around with the Power Track pearl cover.  Pearl green color.  16lb rg rating is 2.49 with a dif .037.  This ball is intended to go longer than the solid, but not as long as the pearl, and the lower rg core allows this ball to have a more controlled hook than the solid, but still has the length because the cover is weaker than the solid.

Lane Conditions: Medium-Light Oil
Typical Conditions: Tournament Shot
Type of Lane: Combination
What part of the lane did you play? Second Arrow
Did the ball track out? Normal
Weight of bowling ball: 15
Surface of bowling ball: Factory/Box
Likes: Less Backend then the Blade Pearl, More length too.
Dislikes: Didn't have this ball sooner.

I got this ball about 2 weeks ago. I drilled up all four balls for a weekend tournament.

The Sling Blade is laid out with the Pin 4 3/4" and the CG 4 1/2" from my Positive Axis Point (PAP).

The weekend tournament had a light oil shot. 10 to the gutter was dry and 10 to 10 was had some light oil. I was able to swing the ball from 15 to 5 into the dry and the ball made a controlled arcing move to the pocket. On the same type of shot, my Blade Pearl would make a more snappy backend move. I used this in another tournament the next weekend where the heads were hooking and there was some carrydown. The Sling Blade got through clean and I was able to play a more direct line than most other people.

With the flip block off of the Sling Blade, all the bowlers that wanted more length than the Blade Pearl will find it in this ball.

If you have any questions, please email me
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Thanks
Bill
BuddiesProShop.com
"The Place All Bowlers Shop"

Just recently got this ball and love it.They are right when they say nothing hits like a hammer cause its true. I like this ball cause it allows m to play a little more straight up then usual.It goes long then all of a sudden it shoots back scross the lane like a rocket.I usually hook the ball a ton but with the Sling Blade i can crank it up and it just gradually moves down the lane and saves its energy for the backend.My first night with this ball i shot a 642 wich i was glad cause i dont usually start out the first night of league that well so that was good. I cant wait to use the ball tomorrow night in league when we start again. First hammer ball i owned and it will not be the last.
Kevin Spear

Specs: 15lb. 2 oz. 2.5 oz. top, pin 2-3.
Drilled pin under ring(righty) with CG kicked into what is a 4.5x4 layout for me, no weight hole required, left at box finish.

Wanted this ball for the end of late shift in one house (synthetic, wet/dry tophat) and the start of late shift in another house (wood, lots of hook). For once a ball does precisely what the company says it will. Even with the semi-aggressive layout the Sling Blade scoots down the lane easily and make a nice smooth arc with outstanding carry. Used this one tonight for the second time and shot 300 the first game in the wood house(this actually means something there, usually only 2 or 3 shot in the house for a season). Had some trouble with it late in the 2nd and 3rd game as the lanes got really dusty, not enough angle from deep inside to carry and too much ball to stay outside with. Chalk it up to a learning experience with a new nugget, but it still kinda sucks when you start with 300 and only finish with 694 (300,227,167). Overall I am loving the new look from Hammer, I think they have some of the best stuff on the market right now. Keep it up guys.
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I don't remember tomorrow.

Box surface, 3" pin 3.25 TW.  Pin at 4", CG in Palm.  15#   Any axis rotation makes this ball a skid flip.   A lot of ringing leaves.   If I drill another will drill 5 x 5 at least.   Ball is stronger than advertised.

Some of you may have read this before.  I was just rereading a response I made to a bullred post in the Hammer forum, and it read so much like a review I decided to copy it and post it here as a review.

I've got a specific niche for my Sling Blade and it works great in
                                         it. I use it on a house shot that is too burned up for just about
                                         any reactives, but still has a trace of oil in the heads. My Sling
                                         Blade is drilled 1 x 4...pin an inch toward the fingers from my
                                         PAP and CG just right of grip center--just under 1 oz. of side, so
                                         no extra hole. The ball is not a high flaring ball anyway, and my
                                         pin position kills the flare pretty effectively, but contributes
                                         toward early revs and a predictable move in the back. I have a
                                         mirror finish on it with Storm Xtra Shine topped off with Black
                                         Magic. When other equipment has forced me in further than my
                                         comfort zone, I can move back out with the Sling Blade and ride
                                         what's left of the oil line down to the breakpoint and get a
                                         strong, but not jumpy arc into the pocket with excellent hit. It
                                         even handles light carrydown.

                                         This layout and surface prep makes the ball work like plastic if
                                         there's any significant oil, and it will go coast to coast if the
                                         lane is toast, but when there's still a whiff of oil, it's great. This
                                         is exactly what I bought and set it up for, so I'm very happy
                                         with the results.

Shiv
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I think we're all Bozos on this bus

Before I get started, I have to say one thing....this is one pretty ball.  It's hard to get green balls right, but Hammer pulled it off here.

Specs:
15 lb
2" pin
2 oz. TW

Drill specs:
5 1/2 X 4 (pin over bridge)
Box finish

Other than my X Factor, I really don't have any pearls.  So when the opportunity came to pick this up in a trade, I went for it.  My thinking was I wanted something that would go longer than my Bruiser, but be smoother off the breakpoint than my X Factor.

I've gotten to try this on a couple of different conditions:  fresh THS and broken down THS.  On the fresh, the Sling Blade really had too much length to be effective.  However, I was able to square up and still get a pretty good reaction.  The high RG drill really got down the lane and made a hard move on the fresh backends.

Where the SB really stood out was on a broken down shot.  Was playing 15 to 7 with my Deuce, then the Bruiser.  Toward the end of the 2nd game, both my Deuce and Bruiser were too much up front.  Pulled out the Sling Blade and didn't move an inch, it cleared the heads fine and gave me a pretty stout reaction down the lane.

One thing I really like about the SB is the tight flare pattern.  The lower differential is the reason behind the tight rings, but it gives a real smooth move out of the dry.

Great medium/dry condition ball
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Mongo the UnLefty

Deez nuts.