The evolution of handheld projectile weapons has a rich history, dating back to ancient times. From spear-throwers to gunpowder-loaded “hand cannons,” humans have continuously innovated in this field. Air-powered projectile weapons, though relatively newer, have roots in pneumatic technology dating back centuries. The first known air rifle from the late 1500s and the Girandoni repeating air rifle used by the Lewis and Clark expedition in the 1700s exemplify the early developments in this technology.
Types of Air Rifle Powerplants
Modern air rifles employ efficient powerplants to pressurize air for propulsion. These powerplants include:
- Spring Powered: Utilizes a coil spring and pump piston to compress air for firing.
- Pneumatic: Uses pre-pressurized air, either hand-pumped or charged externally.
- Compressed Gas: Relies on external gas cylinders, typically CO2, for power.
- Gas Ram: Combines features of springer and pneumatic air guns for operation.
Exploring the Black Bunker BM8
The Black Bunker BM8 Survival Air Rifle stands out with its unique triangular design. The foldable, break-barrel, gas ram air gun assembles into a sturdy, one-piece structure. Featuring Picatinny rails for optics and accessories, the BM8 offers a comfortable shooting experience. The break-action design necessitates considerations for accessory placement and sighting adjustments.
Operational steps include folding the cocking link arm, charging the air gun, and engaging the safety mechanism for firing. While initially challenging to charge, the BM8's action improves with use, requiring a break-in period for optimal performance. Disassembly for storage is straightforward, with a purpose-designed case for secure transport.
BM8 Specifications
The BM8 comes in .177 and .22 calibers, with options for colors and configurations. Notable features include Picatinny rails, adjustable rear sight, safety lock system, textured buttstock, and optional attachments. With an overall length of 42.7 inches and a weight of 7.5 lbs, the BM8 offers versatility and functionality at an MSRP of $280.
Field Performance
Field testing the BM8 revealed considerations for charging, loading, and shooting dynamics. While initial challenges emerged with charging and loading, the BM8 proved accurate within 50 yards under varying weather conditions. The design attracted attention for its unique folding configuration and tactical aesthetics, sparking curiosity among onlookers.
Final Assessment
The BM8's innovative design combines functionality with challenges in handling and operation. Optional attachments like the knife/bayonet raise concerns regarding practicality and perception. The inclusion of a carrying case enhances utility and storage convenience, positioning the BM8 as a versatile survival tool. Despite minor drawbacks with rail placement and scope positioning, the BM8 offers self-reliant functionality and modern aesthetics for a compelling shooting experience.
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By: Patrick Diedrich
Title: Review of the Black Bunker BM8 Foldable Air Rifle
Sourced From: www.offgridweb.com/gear/review-of-the-black-bunker-bm8-foldable-air-rifle/
Published Date: Tue, 28 May 2024 11:00:13 +0000