Trending Stock Adapters
The most popular AR-15 stock adapters this week, ranked by builder interest.
Updated · ranked by real data
Stock Adapters: most added in August 2026
The parts builders added most in August 2026, ranked from every build on GunPartPicker.
- 1.SIG Sauer MCX Stock Adapter KITSig Sauer · Stock Adapter
- 2.SIG Sauer Stock Adapter - 1913 Interface Folding KnuckleSig Sauer · Stock Adapter
- 3.Law Tactical AR Folding Stock Adapter Gen 3 - HKLaw Tactical · Stock Adapter
- 4.Law Tactical AR Folding Stock Adapter Gen 3-MLaw Tactical · Stock Adapter
- 5.Sylvan Arms AR-15 Folding Stock Adapter - Gen 3Sylvan Arms · Stock Adapter
- 6.Law Tactical Gen 3 Folding Stock Adapter - FDELaw Tactical · Stock Adapter
- 7.Law Tactical Gen 3 AR Folding Stock Adapter - ODGLaw Tactical · Stock Adapter
- 8.KNS Precision AR/MCX Stock Adapter KIT with FlangeKNS Precision · Stock Adapter
- 9.DFA Modified Cycle System (MCS) RIFLE CALIBER with Right Side Folding Stock - Adaptor GEN 2Dead Foot Arms · Stock Adapter
- 10.KNS Precision Lage Folding Stock Gear Head Works Tailhook AdapterKNS Precision · Stock Adapter
Updated · counts come from real builds on GunPartPicker
Most Popular AR-15 Stock Adapters This Week
These rankings update every 30 minutes based on what GunPartPicker visitors are actually clicking through to buy — not just browsing. Compare prices and stock status across all our partner merchants in one place, and use the Sort menu to switch between Today's data and the full week or to reorder by price.
#1
Stock Adapter
SIG Sauer MCX Stock Adapter Kit
$125.43
#2
Stock Adapter
SIG Sauer Stock Adapter - 1913 Interface Folding Knuckle
$94.99
#3
Stock Adapter
Law Tactical Gen 3 AR Folding Stock Adapter - ODG
#4
Stock Adapter
Law Tactical AR Folding Stock Adapter Gen 3-M
$269.99
#5
Stock Adapter
Law Tactical AR Folding Stock Adapter Gen 3 - HK
$369.00
#6
Stock Adapter
Law Tactical Gen 3 Folding Stock Adapter - FDE
$210.97
#7
Stock Adapter
Sylvan Arms AR-15 Folding Stock Adapter - Gen 3
$114.45
#8
Stock Adapter
KNS Precision AR/MCX Stock Adapter Kit without Flange
#9
Stock Adapter
KNS Precision AR/MCX Stock Adapter Kit with Flange
#10
Stock Adapter
DFA Modified Cycle System (MCS) RIFLE CALIBER with Right Side Folding Stock - Adaptor GEN 2
Popular
Stock Adapter