CJ from AT3 Tactical provides an expert review of over 20 Magpul adjustable AR-15 stocks, categorizing them into Baseline, Slim Line, Storage, and Tactical/Precision. He introduces an empirical 'Wiggle Test' using calipers to quantify stock movement and details the features of various models, including the MOE, CTR, PRS Gen3, and UBR Gen2, to help users select the optimal stock for their specific AR-15 build.
The Magpul SL-S stock offers enhanced comfort with a wider cheek slope and features secure, waterproof battery storage for up to four CR123 batteries. Its buttpad design aids in shouldering, especially with body armor, and ambidextrous QD sockets provide versatile sling mounting. While heavier and wider than some alternatives, its anti-rattle mechanics and potential for better rifle balance make it a premium option.
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