ID # 3108021Model # MB20181722

Masterbuilt Pizza Oven Insert for Gravity Series 800 & 1050 Models - MB20181722

(4327)
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Key Features

Set grill to 500-550F and cook up to a 14-inch pizza in under 5 minutes
  • Has the ability to bake cookies, bread, or lasagna for utmost cooking versatility
  • 360-degree airflow for even cooking without having to turn your pizza
  • Premium stainless-steel interior with a porcelain-coated exterior
  • Best suited for Gravity Series 800 & 1050 models — does not fit Gravity Series 560
Master the perfect pizza with the Masterbuilt Pizza Oven accessory grill insert. Create up to a 14-inch pizza in under 5 minutes for delicious, authentic brick oven flavor. Additionally, you may also bake cookies, bread or lasagna for the utmost cooking versatility. With the 360-degree airflow, ensure your pizza comes out perfectly crispy every time without having to rotate while cooking. The Masterbuilt Pizza Oven fits most charcoal, gas and pellet grills to enjoy delicious pizza in the comfort of your own backyard. It's best suited for use on the Masterbuilt Gravity Series 800 and 1050 model grills, but it's not compatible with the Gravity Series 560.

Legal disclaimers and warnings

Product packaging, owners’ manuals, installation instructions, and/or operating instructions may include more information than what is shown on our website. The content on our site is intended to be used for reference purposes only. Please fully read all included manuals and documentation before installing or using this product. WARNING for California residents: this product may contain chemical(s) known to the state of California to cause birth defects, cancer, or other reproductive harm.

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Warranty

Masterbuilt warrants all of its products to be free from defects in material and workmanship under proper assembly, normal use and recommended care for 1 year from the date of original retail purchase. The Masterbuilt warranty does not cover paint finish as it may burn off during normal use. The Masterbuilt warranty does not cover rust. Masterbuilt requires proof of purchase for warranty claim, such as a receipt. Labor is not included.

Refer to the manufacturer's manual for full warranty details.

Customer Reviews

4.33

4327 reviews

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GS800

McAllen, TX

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Best Smoker/ Grill Ever!

The Gravity Series 800 has been the best smoker/grill/griddle I've ever used. I've been using my GS800 for several years now and it consistently turns out the best foods.

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Kmo85

South Carolina

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Amazingly flexible smoker and grill combo

This will be an honest review as I've owned mine for several years now. The versatility and flexibility of this product is really phenomenal. And in my opinion, nothing beats charcoal for most grilling applications, but being able to add wood (for smoking or grilling) is amazing. Some of the best meals I've ever made or eaten were made on this grill. So, why four stars? I've worked hard to maintain my grill and extend its longevity, but I question the design and life of this product, for very specific parts of the unit. The channel that directs the heat at the bottom has essentially burned through and has holes in it at this point, so heat is no longer distributed evenly at all, and really the whole bottom of the unit feels pretty sketchy at this point after a few years of use. I'm not sure what the expected lifetime of these units is, but with the price tag they have I personally would expect it to last 5-10 years or more. Also, about six months ago the unit started to refuse to be controlled to the app, even though it is connected to the unit. And the temperature dial is fussy as all get out. So, do I love all the things this product can do? Absolutely. But, complicated care requirements and lack of longevity make me take away a star. I would take off a star and a half if I could. 3.5 stars feels about right. Perhaps they may have made improvements in the time since my purchase, but that's my experience with the one I own. When it's time to buy a new grill, I'm truly not sure if it will be another Masterbuilt next time.

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MS41

Michigan

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Easy to use and versatile

I love the versatility and at a great price. Great charcoal flavor.

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jaymar77

Rapid City, SD

Nov 4, 2025

the source of this review is from Masterbuilt - BV
What a workhorse!

I have been using my 1050 for over a year now. As the title says, this thing is a workhorse. I have had several other brands of pellet smokers but the versatility of the Gravity Series is unmatched. You get the ease of a pellet smoker BUT the charcoal/wood smoker taste and cook. I can do everything from smoking pork belly at 165 degrees all the way upto to super hot searing or roasting veggies for salsa. Nevermind the flavor this thing produces for everything inbetween! The only thing I wish it came with was a stainless steel heat manifold. Beyond that, I wouldn't trade it for anything else.

Roasted Pablanos! Love some pork green chili!
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Big Ken

Katy, Texas

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Does the job.

I've used my rotisserie about 5 times since I purchased my MB800 about 2 months ago and the heaviest protein i put on it was like 12lbs and it handled it with no issues.

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Big Ken

Katy, Texas

Nov 4, 2025

the source of this review is from Masterbuilt - BV
I cook more than ever!

Ever since I got my MB800 I cook big breakfasts every weekend and I've used the rotisserie once a week and I love the bark I get on my brisket. I use Char-logs and wood chunks for smoking and it tastes just like my offset but the convenience of a pellet grill.

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Smyg1422

Ossian, IN

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Awesome!

I have been using the gravity series 1050 since 2020. I have cooked a little bit of everything on here. Brisket, pork, steak, veggies, turkey. Everything has been great! There have been some issues with door switches melting (mostly due to my own mistakes). I highly recommend this unit!

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Coach Ratliff

San Marcos, California

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Start it up!

These starters do the job! I normally use 2 to start my fire and I get about 10 min of burn to get my fire started.

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Smokes Mcgee

Liberty Hill, TX

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Great for pizza even better for meats.

I've had the 800 gravity plus pizza over for a few years now. Brought it with my from cali to tx. Added some extra parts to make sure it would last and it doesn't disappoint. WiFi and screen a bit worn out but otherwise still creating amazing meats and pizza. Used it for coffee roasting too.

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Kenrodd

Crossville, Tn

Nov 4, 2025

the source of this review is from Masterbuilt - BV
Never had a smoker like this before

I have had mine for a year and will never change to a different brand. Best smoker on the market

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Questions & Answers

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Compare Similar Items

 
Current Item

Accessory Type

CookwareCookwareCookwareCookware

Collection

Gravity Series--Prime / Choice--

Grill Type

Charcoal Grills & Smokers--Pellet Grills & SmokersCharcoal Grills & Smokers

Material

Porcelain-Coated SteelStainless SteelStainless SteelStainless Steel

Grill Model

Gravity Series 800 / 1050Mont Alpi Side BurnersPeak / Ledge / Daniel Boone--

Primary Color

BlackStainless SteelStainless SteelStainless Steel

Width

19.3"12.5"19.375"--

Height

5.5"6"13.75"--

Depth

16.2"13.75"19"--

Weight

23 lbs12 lbs27 lbs8 lbs

Proposition 65

WARNING:
This product can expose you to chemicals including carbon dioxide and other combustion byproducts known to the State of California to cause cancer, and birth defects or other reproductive harm.

For more information, go to www.p65warnings.ca.gov

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