Sinclair International .220 Swift 21 deg Shoulder Bump Gauge Insert
- UPC
- 050806111189
- MPN
- BUMP GAGE INSERT/220 SWIFT
- SKU
- 51655213140
- Manufacturer
- Sinclair
$12.99
$10.99
Best offer
E-Commerce Arms $12.40
Consider Waiting
At $12.99, this is 18% above the average price of $10.99. You may want to wait for a better deal.
Price Intelligence
Building confidence
Against lowest
$2.00 above low (18%)
Typical price
18% above typical
Data depth
109 days, 1 price change
Useful signal, but more history will sharpen the read.
Tracked for 109 days. Last PSA verification: 2026-04-14. Recorded 1 price change. The average price is $10.99. The price has ranged from $10.99 to $12.99. The current price of $12.99 is 18% above average.
Lowest
$10.99
Highest
$12.99
Average
$10.99
Tracked
109 days
Price Changes
1
Last Updated
2026-07-29
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Live Offers
Tracked retailer listings for SHOULDER BUMP GAGE INSERT, #21, 21 DEGREE, 220 SWIFT. Compare current price, stock, and price history before leaving Firearm Data Lab.
Best Price History Across Offers
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Insights
Price Stable
Price has been relatively stable over the last few days.
Tracking Info
Tracked for 111 days. Last PSA verification: 2026-04-14. Recorded 1 price change.