Keystone Bullet 311BHSWE mattress size
Years 2016–2017Sold as BulletLength 35' 8"
Bunk mattresses in 32 × 74 in
Some bunks have a rounded corner, so trace yours before a custom cut. A thicker bunk mattress takes headroom from the bunk above.
Best value

RVMattress.comCopperFlex Essential
- All-foam
- 6 in thick
- five comfort options

RVMattress.comCopperFlex RV Hybrid
- Hybrid
- 10 in thick
- Medium-Firm
Custom size

Mattress InsiderLuxury Gel Memory Foam
- Memory foam
- 8 in thick
- not stated
The 311BHSWE floorplan

Keystone's 2017 311BHSWE floorplan.
Is this your 311BHSWE?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
| 2016 | Bullet 311BHSWE | 35' 8" | – |
| 2017 | Bullet 311BHSWE | 35' 8" | – |
Other Bullet mattress sizes
Questions
What size are the Keystone Bullet 311BHSWE bunk mattresses?
32 × 74 in (Keystone spec sheet, 2017).