Videos tagged with Dual Ejector Bolt

This video provides an expert-level overview of new products from Palmetto State Armory (PSA) showcased at SHOT Show 2026, presented by GBRS Group. The PSA Sabre 11 pistol is detailed, highlighting its 2011 platform, billet steel construction, and innovative trigger system. The PSA AXR SSP rifle is also examined, focusing on its short-stroke piston operation, modularity, and robust E4 bolt system. The presentation emphasizes technical specifications and practical design features relevant to firearms enthusiasts and professionals.

This video covers a wide range of new firearms and accessories introduced at SHOT Show 2026. Key highlights include Nemo Arms' Mongoose 10mm PCC and Electus bolt-action rifle, Ruger's updated American Rifle line and new shotgun offerings, Zenith Firearms' modernized roller-delayed PCCs, and Savage's new 110 rifle configurations. The video also features innovations from Tipman Arms in integrally suppressed barrels, Psionics' custom firearm builds and customer service, Bestie Defense's personal protection device, Safari Land's suppressor-ready holsters, and Great Lakes Firearms' Subzero bolt-action rifle.

This video addresses issues with KAK NP3 dual ejector bolts, specifically focusing on damaged and bent ejector pins. The instructor demonstrates how bent ejector pins can cause sluggish ejector function and emphasizes the importance of proper installation of roll pins or spiral pins to prevent binding. The content highlights a common problem encountered in AR-15 bolt carrier groups.

This video provides a brief autopsy of four KAK NP3 dual ejector bolts. The primary issue identified is seized extractors, requiring significant force to remove the pins. The edges of the extractors are noted as being badly damaged, indicating misalignment and forceful installation methods.

This video provides an in-depth review of KAK Industry's Bolt Carrier Groups (BCGs), highlighting their extensive variety of calibers, coatings, and innovative features. The presenter emphasizes KAK's commitment to offering premium options like sand cutter carriers, down vent designs, and dual ejector bolts at affordable price points, often enhanced by sales and a specific discount code. The review covers various coatings including Nickel Boron, Nitride, Phosphate, PVD, and Titanium Nitride, detailing their durability and ease of cleaning. The presenter also showcases KAK's MPI-tested bolts, some featuring dual ejectors, comparing them favorably to much more expensive alternatives.

This video from School of the American Rifle highlights the importance of a functioning ejector on an AR-15 bolt. It demonstrates how a seized ejector can cause a firearm to stop working. The instructor explains that dual ejector bolts offer a redundancy, as one ejector can fail and the other can still ensure proper ejection.

This review of the Black Rifle Arms .308 Win L.P.R. External Piston Rifle highlights its well-made, durable design by Charlie Castle. The rifle features an adjustable four-position gas system, a 16-inch 4150 chrome vanadium barrel, and a proprietary bolt carrier group with a shock-absorbing bumper. The reviewer notes excellent reliability and sub-MOA accuracy potential, making it a strong contender in the AR-10 market.

This guide details how to tune an AR-15 platform firearm when using a dual ejector bolt. Dual ejector bolts can require adjustments to the buffer weight and spring to ensure proper cycling and bolt lock-back. The expert instruction emphasizes starting with lighter components if issues arise and testing thoroughly.