In-depth review
CAP Barbell 300 lb Olympic Set Review (2027): The Starter Bundle, Audited
Full research review of the CAP 300 lb cast iron Olympic set: what the 300 really means, plate quality, bundle bar expectations, and expansion.

CAP Barbell 300 lb Cast Iron Olympic Weight Set with 7 ft Bar
The default starter bundle: 255 lb of grip plates plus a 45 lb bar.
- 300 lb including bar (255 lb plates plus 45 lb bar)
- Total weight
- 2 in Olympic, nominal
- Hole size
- Cast iron, black painted finish
- Plate material
Our verdict
The CAP 300 lb set survives as the default recommendation because its compromises are the right ones. The plates, which are the permanent part of the purchase, are gripped, sensibly denominated, and easy to match later. The bar, which is the temporary part, is basic. The one thing every buyer must understand before ordering is the arithmetic: 300 lb is the whole shipment, bar included, so the plates alone total 255 lb. Buyers who know that up front are consistently the satisfied ones.
What we like
- Complete denominations down to 2.5 lb pairs, so small jumps are possible from day one
- Grip cutouts on the larger plates make loading and carrying easier than flat iron
- The set has been sold for years, so matching extra pairs are easy to find later
What to watch out for
- Total is 300 lb including the 45 lb bar, which surprises buyers who expect 300 lb of plates
- Bundle bar is an entry level bar, not a bar you would choose on its own for heavy deadlifts
- Black paint finish chips at the hub with regular sleeve use
Who it is for
First time home gym owners buying plates and a bar in a single purchase.
The plates are the purchase
Grip cutouts on the working plates, pairs running from 45 lb down to 2.5 lb, and a standard black cast iron finish: this is the configuration most home gyms start with, and there is nothing in it you will need to replace as you get stronger. Hub paint wear is the recurring cosmetic complaint, and it appears on painted iron at every tier.
The bar, honestly framed
A 7 ft, 45 lb bundle bar with spring collars. It squats and benches fine while loads are moderate, and it is not the bar a serious deadlifter would pick: knurling, spin, and capacity are all entry level. Plan on it the way you plan on a starter anything: useful now, replaceable later, and not a reason to reject the set.
Hole fit and daily use
Owner themes on bore fit are mixed in the way all cast iron themes are mixed: most plates slide and sit fine, an occasional plate in a set is noticeably looser. Clamp collars hide most of the practical effect. If one plate is dramatically off on arrival, that is a return, not a characteristic to live with.
Expansion path
Because this exact set has sold for years, matching extra pairs of 45s are among the easiest plates in this guide to buy later. That boring fact is a real advantage over prettier sets that get discontinued.
Key specifications
- Total weight
- 300 lb including bar (255 lb plates plus 45 lb bar)
- Hole size
- 2 in Olympic, nominal
- Plate material
- Cast iron, black painted finish
- Bar included
- Yes, 7 ft Olympic bar with spring collars
- Plate mix
- Pairs of 45, 35, 25, 10, 5, and 2.5 lb (vendor listing variant)
What owners report
Commonly praised
- Everything needed to start arrived in one purchase
- Grip plates are easier to handle than expected
- Extra pairs match the original set when expanding
Common complaints
- Paint flakes around the center hole over time
- Some plates sit looser on the sleeve than others in the same set
- Boxes are heavy and sometimes arrive split or on different days
Recurring themes from owner reviews on retailers and forums, summarised by our editors. Updated October 2026.
Sources: CAP Barbell Olympic set product documentation, Amazon listing specifications
Also consider
BalanceFrom 300 lb Cast Iron Olympic Weight Set with Bar
Bundle pricing on the same classic formula: plates, bar, and collars.
- Total weight: 300 lb including bar (plates plus 7 ft bar, per listing variant)
- Hole size: 2 in Olympic, nominal
Sources: BalanceFrom Olympic set product documentation, Amazon listing specifications
Check price on Amazonor add to your Amazon cartChoose BalanceFrom to follow the same bundle formula at a budget price, accepting rougher finish and fit. Read our BalanceFrom 300 lb Cast Iron Olympic Weight Set with Bar review
XMark Olympic Grip Plate Set, Cast Iron
Better finished grip iron for buyers who will handle plates daily.
- Total weight: Set dependent, plates only (common sets in the 245 to 365 lb range)
- Hole size: 2 in Olympic, nominal
Sources: XMark Olympic plate product documentation, Amazon listing specifications
Check price on Amazonor add to your Amazon cartChoose XMark plates plus a standalone bar if you would rather skip the starter bar stage entirely. Read our XMark Olympic Grip Plate Set, Cast Iron review
Research-based assessment: manufacturer specifications and documentation, cross-checked against retailer listings and recurring themes in published owner feedback. We do not claim hands-on testing we have not performed.
FAQ
Questions, answered straight
How much plate weight is in the box, exactly?
255 lb of plates plus the 45 lb bar makes the advertised 300 lb total, in the standard configuration. Check the exact listing variant, as bundles are sometimes reconfigured.
Can this bar handle a 300 lb deadlift?
Bundle bars carry modest stated capacities and deadlifting is their hardest job. Stay within the bar's stated rating in the listing, and upgrade the bar as loads climb.