• NEMO Arms .300 Blackout Custom Carbine Buffer Spring
1 1

B&B Firearms

NEMO Arms .300 Blackout Custom Carbine Buffer Spring

$15.95
$15.95
Sale Sold out
Tax included. Shipping calculated at checkout.
Available To Order
Why buy from B&B

Because you work directly with a family-run business that cares about getting it right.

B&B Firearms is built on faith, family, service, and real product knowledge. When you buy here, you are not supporting a giant corporation — you are working with a veteran-owned family business that values honesty, guidance, and doing right by people.

For carbine length gas systems or troublesome .300 Blackouts that are undergassed.

  • NEMO Arms custom .300 Blackout Carbine Buffer Spring. NEMO Arms has engineered a custom carbine buffer spring for carbine length gas systems or troublesome .300 Blackouts that are undergassed. This spring was designed around a rifle with a 16″ barrel and a carbine gas system. This spring will also work with other This reduced stiffness buffer spring will allow your .300 Blackout to cycle properly with subsonic ammunition. The spring is made from 17-7 stainless steel that will not corrode and will keep its stiffness and tension longer than standard spring steel.