Price history at Palmetto State Armory
Recorded at Palmetto State Armory since Oct 9, 2026: low $10.99 (Oct 30, 2026), high $11.99 (Oct 9, 2026). Last checked Nov 1, 2026.
From the store's product feed and AvantLink's price records; feeds can lag the store's own site.
Product Description
For AR-15 type rifles, a shoulder bump of 0.003 inches - 0.005 inches is advised. This range accommodates the unique requirements of semi-automatic rifles, providing the necessary clearance for smooth cycling and operation.
Sinclair International 6.8 SPC 23 deg Shoulder Bump Gauge Insert
$10.99
In Stock
at Palmetto State Armory
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Product Details
Brand
Sinclair
MPN
6.8 SPC SINCLAIR BUMP GAGE INS
