Aim7 Welin-Lock Rear Mount 1.125×28 (1 1/8×28) SUS303 STEEL
Description
Aim7 Welin-Lock Rear Mount 1.125×28 (1 1/8×28) SUS303 STEEL
Aim7 Welin-Lock Rear Mount screws into the rear of the suppressor tube to allow for attachment via Welin-Lock. To mount your suppressor using Welin-Lock, you will need this Welin-Lock Rear Mount as well as a Welin-Lock barrel adapter (sold separately).
Features
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SUS303 Stainless Steel
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Compatible with Welin-Lock barrel adapters
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Cosmetic geometry for a firm grip
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Inside taper locks rear mount onto the barrel adapter
- Overall 1.193″
SUS303 (AISI 303 / EN 1.4305) Stainless Steel — Hardness
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Material Type: Austenitic stainless steel, free-machining grade (higher sulfur content for better machinability).
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Typical Hardness (Annealed / Solution Annealed condition):
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~160–190 HB (Brinell Hardness)
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Equivalent to about 85 HRB (Rockwell B scale).
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After Cold Working / Work Hardening:
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Can reach ~200–240 HB (approx. 95 HRB).
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Heat Treatment:
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Not hardenable by heat treatment (like most austenitic stainless steels).
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Only strengthened by cold working.
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