Home » Shop » BLS Supply (Blue Line) DIANA Twenty-One FBB Air Rifle – .177 cal. 4.5mm 75 Joule Scoped Combo

BLS Supply (Blue Line) DIANA Twenty-One FBB Air Rifle – .177 cal. 4.5mm 75 Joule Scoped Combo

$110.19

The DIANA Twenty-One FBB air rifle is an affordable, well-crafted option for young and beginning shooters. Features a fluted bull barrel, 4×32 scope, and metal trigger.

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SKU: cssi-go-DA521411509 Category: Brand:
Description

The Diana Twenty One Air Rifle is an inexpensive entry into the world of air rifle shooters. The youthful light successful model convinces with modern design and great workmanship. 

  • Fluted Bull Barrel (FBB)
  • 4×32 Scope
  • A metal trigger with automatic safety
  • A milled 11mm prism rail
  • A muzzle with a silencer look and high-contrast
  • Adjustable TRUGLO fiber optic sights
  • Ambidextrous
Additional information
Weight8.600 lbs
Dimensions48.500 × 6.550 × 3.000 in
ManufacturerBLS Supply (Blue Line)
Caliber.177 cal. 4.5mm
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About brand
BLS Supply, also known as Blue Line, specializes in high-quality firearms designed for both personal defense and law enforcement use. They are recognized for their reliable performance and durability across their product lines. With a commitment to excellence, BLS Supply has built a solid reputation in the firearms industry.
Shipping and Delivery

PROCESSING & SHIPPING

Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.

FIREARM TRANSFERS

  • Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
  • Your receiving FFL will need to email their license to [email protected] before we can ship.
  • Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.

You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.