Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

Keeps your Brownells Buttstock Tool functioning like new. Helps keep the edges of the receiver extension nut slots undamaged, and lessens the chance of marring the metal. Square fits the newer, M4 style collapsible buttstock receiver extension nuts with .164" wide, square engagement slots. Round fits the older style collapsible buttstock extension nuts with 1/8" diameter, round pin engagement recesses.


AR-15, Issue:10, Page:076
Big Book Catalog, Issue:67, Page:077
Law Enforcement / Police Store, Issue:08, Page:053
New Product Supplement, Issue:593, Page:017
SPECS: Round - Stainless steel, silver finish. .124” (3mm) diameter. Square - Steel, blue finish. .164” (4mm). Available in 3-Paks.
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2 Item(s)
AR-15/M16/M4 BUTTSTK SQ REPL PINS 3PAK
080-000-451WB
Square Replacement Pins, 3-Pak
080000451Square Replacement Pins, 3-Pak

$19.99

In Stock
AR15-M16/M4 BUTTSTK RND REPL PINS 3 PK
080-000-452WB
Round Replacement Pins, 3-Pak
080000452Round Replacement Pins, 3-Pak

$7.99

In Stock
AR-15/M16/M4 REPLACEMENT PINS