5.56 vs .224 vs 300 AAC vs 6.5 Grendel (Cinder Block Test)
This video performs a cinder block test comparing four different rifle calibers: 5.56mm, .224, 300 AAC Blackout, and 6.5 Grendel. The test involves shooting through cinder blocks to evaluate projectile performance. The description also mentions an affiliate link for Bear Creek Arsenal, offering a discount code, and notes that most items are sent for review, with affiliate links to Amazon and Campsite used to support the channel. A disclaimer regarding the use of fixed 28-round magazines is also present.














