Sylvan Arms Sa5 Sa5P-L Folding Stk Adapt Gen 5 Lh
$189.99
$219.99
(You save
$30.00
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The Sylvan Arms SA5P-L folding stock adapter transforms your AR platform rifle into a compact, travel-ready firearm by allowing your stock to fold for significantly reduced overall length. This left-fold variant orients the stock away from the ejection port side of your lower receiver, giving you flexibility in how you configure your AR for storage, transport, or tight shooting positions. Whether you're building a truck gun, a takedown rifle for backcountry trips, or a space-conscious home defense setup, a folding stock adapter adds genuine practical value without requiring permanent modifications to your receiver or BCG.
Built in the USA from 4140 steel and CNC-machined for precision fit, the SA5P-L sits closer to your AR lower than earlier designs, minimizing gaps and keeping your rifle as compact as possible when folded. The adapter threads onto standard AR15 1-3/16" x 16 threaded receivers and works with most AR platform bolt carrier groups right out of the box—no modifications or extra parts needed for standard setups. At 9.4 ounces, the weight penalty is minimal. Installation is straightforward: screw on the adapter, fold, and carry. No disassembly required.
The package includes everything you need: the folding adapter itself, a 1045 steel bolt extension for compatibility with certain BCG configurations, and a castle nut wrench for installation. If your specific bolt carrier group needs the bolt extension adjusted or removed, Sylvan Arms has you covered with support. The adapter is compatible with .223/5.56, .308, 300 Blackout, and most 9mm AR platforms, making it a versatile choice across multiple caliber builds.
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